Home / 3,989,726.40-5,976,165.60-2,642,534.40

Finding the Fourth Proportional to 3,989,726.40, 5,976,165.60 and 2,642,534.40

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Solution

The fourth proportional to 3,989,726.40, 5,976,165.60 and 2,642,534.40 is: 3,958,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,726.40 : 5,976,165.60 = 2,642,534.40 : x
  2. Step 2: Convert to fraction form
    3,989,726.40/5,976,165.60 = 2,642,534.40/x
  3. Step 3: Cross multiply
    3,989,726.40x = 5,976,165.60 × 2,642,534.40
  4. Step 4: Simplify right side
    3,989,726.40x = 15,792,223,178,096.64
  5. Step 5: Solve for x
    x = 15,792,223,178,096.64/3,989,726.40
  6. Step 6: Final answer
    x = 3,958,222.09

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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.