Home / 5,107,572.16-7,663,615.02-2,678,145.18

Finding the Fourth Proportional to 5,107,572.16, 7,663,615.02 and 2,678,145.18

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Solution

The fourth proportional to 5,107,572.16, 7,663,615.02 and 2,678,145.18 is: 4,018,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,572.16 : 7,663,615.02 = 2,678,145.18 : x
  2. Step 2: Convert to fraction form
    5,107,572.16/7,663,615.02 = 2,678,145.18/x
  3. Step 3: Cross multiply
    5,107,572.16x = 7,663,615.02 × 2,678,145.18
  4. Step 4: Simplify right side
    5,107,572.16x = 20,524,273,627,188.61
  5. Step 5: Solve for x
    x = 20,524,273,627,188.61/5,107,572.16
  6. Step 6: Final answer
    x = 4,018,401.11

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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.