Home / 3,934,687.38-5,429,880.84-2,281,156.80

Finding the Fourth Proportional to 3,934,687.38, 5,429,880.84 and 2,281,156.80

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Solution

The fourth proportional to 3,934,687.38, 5,429,880.84 and 2,281,156.80 is: 3,148,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,687.38 : 5,429,880.84 = 2,281,156.80 : x
  2. Step 2: Convert to fraction form
    3,934,687.38/5,429,880.84 = 2,281,156.80/x
  3. Step 3: Cross multiply
    3,934,687.38x = 5,429,880.84 × 2,281,156.80
  4. Step 4: Simplify right side
    3,934,687.38x = 12,386,409,601,355.71
  5. Step 5: Solve for x
    x = 12,386,409,601,355.71/3,934,687.38
  6. Step 6: Final answer
    x = 3,148,003.49

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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.