Home / 5,220,998.03-7,205,411.30-2,898,108.79

Finding the Fourth Proportional to 5,220,998.03, 7,205,411.30 and 2,898,108.79

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Solution

The fourth proportional to 5,220,998.03, 7,205,411.30 and 2,898,108.79 is: 3,999,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,998.03 : 7,205,411.30 = 2,898,108.79 : x
  2. Step 2: Convert to fraction form
    5,220,998.03/7,205,411.30 = 2,898,108.79/x
  3. Step 3: Cross multiply
    5,220,998.03x = 7,205,411.30 × 2,898,108.79
  4. Step 4: Simplify right side
    5,220,998.03x = 20,882,065,791,591.25
  5. Step 5: Solve for x
    x = 20,882,065,791,591.25/5,220,998.03
  6. Step 6: Final answer
    x = 3,999,631.04

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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.