Home / 5,265,843.80-7,898,765.70-3,138,330.20

Finding the Fourth Proportional to 5,265,843.80, 7,898,765.70 and 3,138,330.20

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Solution

The fourth proportional to 5,265,843.80, 7,898,765.70 and 3,138,330.20 is: 4,707,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,843.80 : 7,898,765.70 = 3,138,330.20 : x
  2. Step 2: Convert to fraction form
    5,265,843.80/7,898,765.70 = 3,138,330.20/x
  3. Step 3: Cross multiply
    5,265,843.80x = 7,898,765.70 × 3,138,330.20
  4. Step 4: Simplify right side
    5,265,843.80x = 24,788,934,939,034.14
  5. Step 5: Solve for x
    x = 24,788,934,939,034.14/5,265,843.80
  6. Step 6: Final answer
    x = 4,707,495.30

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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.