Home / 3,780,990.40-5,666,301.60-2,429,003.20

Finding the Fourth Proportional to 3,780,990.40, 5,666,301.60 and 2,429,003.20

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Solution

The fourth proportional to 3,780,990.40, 5,666,301.60 and 2,429,003.20 is: 3,640,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,990.40 : 5,666,301.60 = 2,429,003.20 : x
  2. Step 2: Convert to fraction form
    3,780,990.40/5,666,301.60 = 2,429,003.20/x
  3. Step 3: Cross multiply
    3,780,990.40x = 5,666,301.60 × 2,429,003.20
  4. Step 4: Simplify right side
    3,780,990.40x = 13,763,464,718,565.12
  5. Step 5: Solve for x
    x = 13,763,464,718,565.12/3,780,990.40
  6. Step 6: Final answer
    x = 3,640,174.47

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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.