Home / 3,280,460.70-4,920,691.05-1,507,532.70

Finding the Fourth Proportional to 3,280,460.70, 4,920,691.05 and 1,507,532.70

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Solution

The fourth proportional to 3,280,460.70, 4,920,691.05 and 1,507,532.70 is: 2,261,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,460.70 : 4,920,691.05 = 1,507,532.70 : x
  2. Step 2: Convert to fraction form
    3,280,460.70/4,920,691.05 = 1,507,532.70/x
  3. Step 3: Cross multiply
    3,280,460.70x = 4,920,691.05 × 1,507,532.70
  4. Step 4: Simplify right side
    3,280,460.70x = 7,418,102,664,472.34
  5. Step 5: Solve for x
    x = 7,418,102,664,472.34/3,280,460.70
  6. Step 6: Final answer
    x = 2,261,299.05

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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.