Home / 2,728,492.20-4,092,738.30-931,434.30

Finding the Fourth Proportional to 2,728,492.20, 4,092,738.30 and 931,434.30

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Solution

The fourth proportional to 2,728,492.20, 4,092,738.30 and 931,434.30 is: 1,397,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,492.20 : 4,092,738.30 = 931,434.30 : x
  2. Step 2: Convert to fraction form
    2,728,492.20/4,092,738.30 = 931,434.30/x
  3. Step 3: Cross multiply
    2,728,492.20x = 4,092,738.30 × 931,434.30
  4. Step 4: Simplify right side
    2,728,492.20x = 3,812,116,833,543.69
  5. Step 5: Solve for x
    x = 3,812,116,833,543.69/2,728,492.20
  6. Step 6: Final answer
    x = 1,397,151.45

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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.