Home / 3,780,001.40-5,670,002.10-1,255,911.80

Finding the Fourth Proportional to 3,780,001.40, 5,670,002.10 and 1,255,911.80

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Solution

The fourth proportional to 3,780,001.40, 5,670,002.10 and 1,255,911.80 is: 1,883,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,001.40 : 5,670,002.10 = 1,255,911.80 : x
  2. Step 2: Convert to fraction form
    3,780,001.40/5,670,002.10 = 1,255,911.80/x
  3. Step 3: Cross multiply
    3,780,001.40x = 5,670,002.10 × 1,255,911.80
  4. Step 4: Simplify right side
    3,780,001.40x = 7,121,022,543,414.78
  5. Step 5: Solve for x
    x = 7,121,022,543,414.78/3,780,001.40
  6. Step 6: Final answer
    x = 1,883,867.70

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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.