Home / 5,666,665.72-7,820,209.65-3,219,691.63

Finding the Fourth Proportional to 5,666,665.72, 7,820,209.65 and 3,219,691.63

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Solution

The fourth proportional to 5,666,665.72, 7,820,209.65 and 3,219,691.63 is: 4,443,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666,665.72 : 7,820,209.65 = 3,219,691.63 : x
  2. Step 2: Convert to fraction form
    5,666,665.72/7,820,209.65 = 3,219,691.63/x
  3. Step 3: Cross multiply
    5,666,665.72x = 7,820,209.65 × 3,219,691.63
  4. Step 4: Simplify right side
    5,666,665.72x = 25,178,663,554,950.23
  5. Step 5: Solve for x
    x = 25,178,663,554,950.23/5,666,665.72
  6. Step 6: Final answer
    x = 4,443,294.31

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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.