Home / 3,281,251.20-4,921,876.80-2,920,444.80

Finding the Fourth Proportional to 3,281,251.20, 4,921,876.80 and 2,920,444.80

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Solution

The fourth proportional to 3,281,251.20, 4,921,876.80 and 2,920,444.80 is: 4,380,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,251.20 : 4,921,876.80 = 2,920,444.80 : x
  2. Step 2: Convert to fraction form
    3,281,251.20/4,921,876.80 = 2,920,444.80/x
  3. Step 3: Cross multiply
    3,281,251.20x = 4,921,876.80 × 2,920,444.80
  4. Step 4: Simplify right side
    3,281,251.20x = 14,374,069,506,800.64
  5. Step 5: Solve for x
    x = 14,374,069,506,800.64/3,281,251.20
  6. Step 6: Final answer
    x = 4,380,667.20

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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.