Home / 2,871,134.78-4,307,543.03-849,432.96

Finding the Fourth Proportional to 2,871,134.78, 4,307,543.03 and 849,432.96

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Solution

The fourth proportional to 2,871,134.78, 4,307,543.03 and 849,432.96 is: 1,274,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,134.78 : 4,307,543.03 = 849,432.96 : x
  2. Step 2: Convert to fraction form
    2,871,134.78/4,307,543.03 = 849,432.96/x
  3. Step 3: Cross multiply
    2,871,134.78x = 4,307,543.03 × 849,432.96
  4. Step 4: Simplify right side
    2,871,134.78x = 3,658,969,028,423.85
  5. Step 5: Solve for x
    x = 3,658,969,028,423.85/2,871,134.78
  6. Step 6: Final answer
    x = 1,274,398.21

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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.