Home / 4,128,001.70-6,192,002.55-3,120,232.10

Finding the Fourth Proportional to 4,128,001.70, 6,192,002.55 and 3,120,232.10

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Solution

The fourth proportional to 4,128,001.70, 6,192,002.55 and 3,120,232.10 is: 4,680,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,001.70 : 6,192,002.55 = 3,120,232.10 : x
  2. Step 2: Convert to fraction form
    4,128,001.70/6,192,002.55 = 3,120,232.10/x
  3. Step 3: Cross multiply
    4,128,001.70x = 6,192,002.55 × 3,120,232.10
  4. Step 4: Simplify right side
    4,128,001.70x = 19,320,485,119,791.86
  5. Step 5: Solve for x
    x = 19,320,485,119,791.86/4,128,001.70
  6. Step 6: Final answer
    x = 4,680,348.15

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1.5x scale

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.