Home / 2,103,139.30-3,154,708.95-683,338.90

Finding the Fourth Proportional to 2,103,139.30, 3,154,708.95 and 683,338.90

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Solution

The fourth proportional to 2,103,139.30, 3,154,708.95 and 683,338.90 is: 1,025,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,139.30 : 3,154,708.95 = 683,338.90 : x
  2. Step 2: Convert to fraction form
    2,103,139.30/3,154,708.95 = 683,338.90/x
  3. Step 3: Cross multiply
    2,103,139.30x = 3,154,708.95 × 683,338.90
  4. Step 4: Simplify right side
    2,103,139.30x = 2,155,735,343,713.16
  5. Step 5: Solve for x
    x = 2,155,735,343,713.16/2,103,139.30
  6. Step 6: Final answer
    x = 1,025,008.35

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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.