Home / 3,138,430.80-4,707,199.04-1,008,239.28

Finding the Fourth Proportional to 3,138,430.80, 4,707,199.04 and 1,008,239.28

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Solution

The fourth proportional to 3,138,430.80, 4,707,199.04 and 1,008,239.28 is: 1,512,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,430.80 : 4,707,199.04 = 1,008,239.28 : x
  2. Step 2: Convert to fraction form
    3,138,430.80/4,707,199.04 = 1,008,239.28/x
  3. Step 3: Cross multiply
    3,138,430.80x = 4,707,199.04 × 1,008,239.28
  4. Step 4: Simplify right side
    3,138,430.80x = 4,745,982,970,906.29
  5. Step 5: Solve for x
    x = 4,745,982,970,906.29/3,138,430.80
  6. Step 6: Final answer
    x = 1,512,215.27

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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.