Home / 5,481,203.10-8,221,804.65-2,641,602.30

Finding the Fourth Proportional to 5,481,203.10, 8,221,804.65 and 2,641,602.30

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Solution

The fourth proportional to 5,481,203.10, 8,221,804.65 and 2,641,602.30 is: 3,962,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481,203.10 : 8,221,804.65 = 2,641,602.30 : x
  2. Step 2: Convert to fraction form
    5,481,203.10/8,221,804.65 = 2,641,602.30/x
  3. Step 3: Cross multiply
    5,481,203.10x = 8,221,804.65 × 2,641,602.30
  4. Step 4: Simplify right side
    5,481,203.10x = 21,718,738,073,590.70
  5. Step 5: Solve for x
    x = 21,718,738,073,590.70/5,481,203.10
  6. Step 6: Final answer
    x = 3,962,403.45

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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.