Home / 5,221,080.28-7,191,666.30-3,690,556.12

Finding the Fourth Proportional to 5,221,080.28, 7,191,666.30 and 3,690,556.12

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Solution

The fourth proportional to 5,221,080.28, 7,191,666.30 and 3,690,556.12 is: 5,083,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,080.28 : 7,191,666.30 = 3,690,556.12 : x
  2. Step 2: Convert to fraction form
    5,221,080.28/7,191,666.30 = 3,690,556.12/x
  3. Step 3: Cross multiply
    5,221,080.28x = 7,191,666.30 × 3,690,556.12
  4. Step 4: Simplify right side
    5,221,080.28x = 26,541,248,076,462.76
  5. Step 5: Solve for x
    x = 26,541,248,076,462.76/5,221,080.28
  6. Step 6: Final answer
    x = 5,083,478.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.