Home / 5,440,809.80-8,161,214.70-4,495,248.20

Finding the Fourth Proportional to 5,440,809.80, 8,161,214.70 and 4,495,248.20

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Solution

The fourth proportional to 5,440,809.80, 8,161,214.70 and 4,495,248.20 is: 6,742,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440,809.80 : 8,161,214.70 = 4,495,248.20 : x
  2. Step 2: Convert to fraction form
    5,440,809.80/8,161,214.70 = 4,495,248.20/x
  3. Step 3: Cross multiply
    5,440,809.80x = 8,161,214.70 × 4,495,248.20
  4. Step 4: Simplify right side
    5,440,809.80x = 36,686,685,689,988.54
  5. Step 5: Solve for x
    x = 36,686,685,689,988.54/5,440,809.80
  6. Step 6: Final answer
    x = 6,742,872.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.