Home / 2,486,999.70-3,730,499.55-1,857,143.70

Finding the Fourth Proportional to 2,486,999.70, 3,730,499.55 and 1,857,143.70

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Solution

The fourth proportional to 2,486,999.70, 3,730,499.55 and 1,857,143.70 is: 2,785,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,999.70 : 3,730,499.55 = 1,857,143.70 : x
  2. Step 2: Convert to fraction form
    2,486,999.70/3,730,499.55 = 1,857,143.70/x
  3. Step 3: Cross multiply
    2,486,999.70x = 3,730,499.55 × 1,857,143.70
  4. Step 4: Simplify right side
    2,486,999.70x = 6,928,073,737,135.34
  5. Step 5: Solve for x
    x = 6,928,073,737,135.34/2,486,999.70
  6. Step 6: Final answer
    x = 2,785,715.55

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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.