Home / 2,218,483.20-3,328,092.86-778,793.40

Finding the Fourth Proportional to 2,218,483.20, 3,328,092.86 and 778,793.40

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Solution

The fourth proportional to 2,218,483.20, 3,328,092.86 and 778,793.40 is: 1,168,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,483.20 : 3,328,092.86 = 778,793.40 : x
  2. Step 2: Convert to fraction form
    2,218,483.20/3,328,092.86 = 778,793.40/x
  3. Step 3: Cross multiply
    2,218,483.20x = 3,328,092.86 × 778,793.40
  4. Step 4: Simplify right side
    2,218,483.20x = 2,591,896,753,955.12
  5. Step 5: Solve for x
    x = 2,591,896,753,955.12/2,218,483.20
  6. Step 6: Final answer
    x = 1,168,319.31

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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.