Home / 3,138,034.80-4,707,854.10-1,008,139.80

Finding the Fourth Proportional to 3,138,034.80, 4,707,854.10 and 1,008,139.80

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Solution

The fourth proportional to 3,138,034.80, 4,707,854.10 and 1,008,139.80 is: 1,512,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,034.80 : 4,707,854.10 = 1,008,139.80 : x
  2. Step 2: Convert to fraction form
    3,138,034.80/4,707,854.10 = 1,008,139.80/x
  3. Step 3: Cross multiply
    3,138,034.80x = 4,707,854.10 × 1,008,139.80
  4. Step 4: Simplify right side
    3,138,034.80x = 4,746,175,090,803.18
  5. Step 5: Solve for x
    x = 4,746,175,090,803.18/3,138,034.80
  6. Step 6: Final answer
    x = 1,512,467.32

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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.