Home / 6,948,201.12-10,421,801.10-2,155,767

Finding the Fourth Proportional to 6,948,201.12, 10,421,801.10 and 2,155,767

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Solution

The fourth proportional to 6,948,201.12, 10,421,801.10 and 2,155,767 is: 3,233,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948,201.12 : 10,421,801.10 = 2,155,767 : x
  2. Step 2: Convert to fraction form
    6,948,201.12/10,421,801.10 = 2,155,767/x
  3. Step 3: Cross multiply
    6,948,201.12x = 10,421,801.10 × 2,155,767
  4. Step 4: Simplify right side
    6,948,201.12x = 22,466,974,891,943.70
  5. Step 5: Solve for x
    x = 22,466,974,891,943.70/6,948,201.12
  6. Step 6: Final answer
    x = 3,233,495.19

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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.