Home / 5,100,426.38-7,038,335.76-2,808,158.78

Finding the Fourth Proportional to 5,100,426.38, 7,038,335.76 and 2,808,158.78

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Solution

The fourth proportional to 5,100,426.38, 7,038,335.76 and 2,808,158.78 is: 3,875,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,426.38 : 7,038,335.76 = 2,808,158.78 : x
  2. Step 2: Convert to fraction form
    5,100,426.38/7,038,335.76 = 2,808,158.78/x
  3. Step 3: Cross multiply
    5,100,426.38x = 7,038,335.76 × 2,808,158.78
  4. Step 4: Simplify right side
    5,100,426.38x = 19,764,764,361,031.97
  5. Step 5: Solve for x
    x = 19,764,764,361,031.97/5,100,426.38
  6. Step 6: Final answer
    x = 3,875,120.02

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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.