Home / 2,121,334.71-3,182,397.89-702,389.67

Finding the Fourth Proportional to 2,121,334.71, 3,182,397.89 and 702,389.67

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Solution

The fourth proportional to 2,121,334.71, 3,182,397.89 and 702,389.67 is: 1,053,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,334.71 : 3,182,397.89 = 702,389.67 : x
  2. Step 2: Convert to fraction form
    2,121,334.71/3,182,397.89 = 702,389.67/x
  3. Step 3: Cross multiply
    2,121,334.71x = 3,182,397.89 × 702,389.67
  4. Step 4: Simplify right side
    2,121,334.71x = 2,235,283,400,253.85
  5. Step 5: Solve for x
    x = 2,235,283,400,253.85/2,121,334.71
  6. Step 6: Final answer
    x = 1,053,715.56

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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.