Home / 2,485,428.37-3,429,854.08-1,397,700.70

Finding the Fourth Proportional to 2,485,428.37, 3,429,854.08 and 1,397,700.70

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Solution

The fourth proportional to 2,485,428.37, 3,429,854.08 and 1,397,700.70 is: 1,928,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,428.37 : 3,429,854.08 = 1,397,700.70 : x
  2. Step 2: Convert to fraction form
    2,485,428.37/3,429,854.08 = 1,397,700.70/x
  3. Step 3: Cross multiply
    2,485,428.37x = 3,429,854.08 × 1,397,700.70
  4. Step 4: Simplify right side
    2,485,428.37x = 4,793,909,436,444.97
  5. Step 5: Solve for x
    x = 4,793,909,436,444.97/2,485,428.37
  6. Step 6: Final answer
    x = 1,928,806.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.