Home / 6,174,666.47-8,521,031.29-3,421,532.13

Finding the Fourth Proportional to 6,174,666.47, 8,521,031.29 and 3,421,532.13

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Solution

The fourth proportional to 6,174,666.47, 8,521,031.29 and 3,421,532.13 is: 4,721,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174,666.47 : 8,521,031.29 = 3,421,532.13 : x
  2. Step 2: Convert to fraction form
    6,174,666.47/8,521,031.29 = 3,421,532.13/x
  3. Step 3: Cross multiply
    6,174,666.47x = 8,521,031.29 × 3,421,532.13
  4. Step 4: Simplify right side
    6,174,666.47x = 29,154,982,339,470.34
  5. Step 5: Solve for x
    x = 29,154,982,339,470.34/6,174,666.47
  6. Step 6: Final answer
    x = 4,721,709.66

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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.