Home / 3,780,343.80-5,671,614.06-1,221,505.20

Finding the Fourth Proportional to 3,780,343.80, 5,671,614.06 and 1,221,505.20

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Solution

The fourth proportional to 3,780,343.80, 5,671,614.06 and 1,221,505.20 is: 1,832,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,343.80 : 5,671,614.06 = 1,221,505.20 : x
  2. Step 2: Convert to fraction form
    3,780,343.80/5,671,614.06 = 1,221,505.20/x
  3. Step 3: Cross multiply
    3,780,343.80x = 5,671,614.06 × 1,221,505.20
  4. Step 4: Simplify right side
    3,780,343.80x = 6,927,906,066,683.11
  5. Step 5: Solve for x
    x = 6,927,906,066,683.11/3,780,343.80
  6. Step 6: Final answer
    x = 1,832,612.70

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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.