Home / 3,931,968.20-5,886,638.22-3,521,680.52

Finding the Fourth Proportional to 3,931,968.20, 5,886,638.22 and 3,521,680.52

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Solution

The fourth proportional to 3,931,968.20, 5,886,638.22 and 3,521,680.52 is: 5,272,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,968.20 : 5,886,638.22 = 3,521,680.52 : x
  2. Step 2: Convert to fraction form
    3,931,968.20/5,886,638.22 = 3,521,680.52/x
  3. Step 3: Cross multiply
    3,931,968.20x = 5,886,638.22 × 3,521,680.52
  4. Step 4: Simplify right side
    3,931,968.20x = 20,730,859,147,661.47
  5. Step 5: Solve for x
    x = 20,730,859,147,661.47/3,931,968.20
  6. Step 6: Final answer
    x = 5,272,387.29

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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.