Home / 3,438,188.76-4,744,728.60-2,149,776.03

Finding the Fourth Proportional to 3,438,188.76, 4,744,728.60 and 2,149,776.03

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Solution

The fourth proportional to 3,438,188.76, 4,744,728.60 and 2,149,776.03 is: 2,966,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,188.76 : 4,744,728.60 = 2,149,776.03 : x
  2. Step 2: Convert to fraction form
    3,438,188.76/4,744,728.60 = 2,149,776.03/x
  3. Step 3: Cross multiply
    3,438,188.76x = 4,744,728.60 × 2,149,776.03
  4. Step 4: Simplify right side
    3,438,188.76x = 10,200,103,813,135.46
  5. Step 5: Solve for x
    x = 10,200,103,813,135.46/3,438,188.76
  6. Step 6: Final answer
    x = 2,966,708.50

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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.