Home / 2,657,489.40-3,985,715.70-859,937.40

Finding the Fourth Proportional to 2,657,489.40, 3,985,715.70 and 859,937.40

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Solution

The fourth proportional to 2,657,489.40, 3,985,715.70 and 859,937.40 is: 1,289,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,489.40 : 3,985,715.70 = 859,937.40 : x
  2. Step 2: Convert to fraction form
    2,657,489.40/3,985,715.70 = 859,937.40/x
  3. Step 3: Cross multiply
    2,657,489.40x = 3,985,715.70 × 859,937.40
  4. Step 4: Simplify right side
    2,657,489.40x = 3,427,465,996,197.18
  5. Step 5: Solve for x
    x = 3,427,465,996,197.18/2,657,489.40
  6. Step 6: Final answer
    x = 1,289,738.35

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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.