Home / 5,440,278.45-8,160,417.68-3,275,440.05

Finding the Fourth Proportional to 5,440,278.45, 8,160,417.68 and 3,275,440.05

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Solution

The fourth proportional to 5,440,278.45, 8,160,417.68 and 3,275,440.05 is: 4,913,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440,278.45 : 8,160,417.68 = 3,275,440.05 : x
  2. Step 2: Convert to fraction form
    5,440,278.45/8,160,417.68 = 3,275,440.05/x
  3. Step 3: Cross multiply
    5,440,278.45x = 8,160,417.68 × 3,275,440.05
  4. Step 4: Simplify right side
    5,440,278.45x = 26,728,958,877,422.88
  5. Step 5: Solve for x
    x = 26,728,958,877,422.88/5,440,278.45
  6. Step 6: Final answer
    x = 4,913,160.08

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Double scale
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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.