Home / 3,780,870.79-5,672,149.38-1,084,985.91

Finding the Fourth Proportional to 3,780,870.79, 5,672,149.38 and 1,084,985.91

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Solution

The fourth proportional to 3,780,870.79, 5,672,149.38 and 1,084,985.91 is: 1,627,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,870.79 : 5,672,149.38 = 1,084,985.91 : x
  2. Step 2: Convert to fraction form
    3,780,870.79/5,672,149.38 = 1,084,985.91/x
  3. Step 3: Cross multiply
    3,780,870.79x = 5,672,149.38 × 1,084,985.91
  4. Step 4: Simplify right side
    3,780,870.79x = 6,154,202,136,011.48
  5. Step 5: Solve for x
    x = 6,154,202,136,011.48/3,780,870.79
  6. Step 6: Final answer
    x = 1,627,720.83

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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.