Home / 5,011,440.72-6,915,838.92-2,719,621.20

Finding the Fourth Proportional to 5,011,440.72, 6,915,838.92 and 2,719,621.20

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Solution

The fourth proportional to 5,011,440.72, 6,915,838.92 and 2,719,621.20 is: 3,753,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011,440.72 : 6,915,838.92 = 2,719,621.20 : x
  2. Step 2: Convert to fraction form
    5,011,440.72/6,915,838.92 = 2,719,621.20/x
  3. Step 3: Cross multiply
    5,011,440.72x = 6,915,838.92 × 2,719,621.20
  4. Step 4: Simplify right side
    5,011,440.72x = 18,808,462,142,617.11
  5. Step 5: Solve for x
    x = 18,808,462,142,617.11/5,011,440.72
  6. Step 6: Final answer
    x = 3,753,104.78

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1.5x scale

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.