Home / 6,459,362.46-9,690,938.51-1,910,531.25

Finding the Fourth Proportional to 6,459,362.46, 9,690,938.51 and 1,910,531.25

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Solution

The fourth proportional to 6,459,362.46, 9,690,938.51 and 1,910,531.25 is: 2,866,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,362.46 : 9,690,938.51 = 1,910,531.25 : x
  2. Step 2: Convert to fraction form
    6,459,362.46/9,690,938.51 = 1,910,531.25/x
  3. Step 3: Cross multiply
    6,459,362.46x = 9,690,938.51 × 1,910,531.25
  4. Step 4: Simplify right side
    6,459,362.46x = 18,514,840,855,630.78
  5. Step 5: Solve for x
    x = 18,514,840,855,630.78/6,459,362.46
  6. Step 6: Final answer
    x = 2,866,357.32

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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.