Home / 3,120,437.20-4,680,655.80-2,274,408.40

Finding the Fourth Proportional to 3,120,437.20, 4,680,655.80 and 2,274,408.40

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Solution

The fourth proportional to 3,120,437.20, 4,680,655.80 and 2,274,408.40 is: 3,411,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,437.20 : 4,680,655.80 = 2,274,408.40 : x
  2. Step 2: Convert to fraction form
    3,120,437.20/4,680,655.80 = 2,274,408.40/x
  3. Step 3: Cross multiply
    3,120,437.20x = 4,680,655.80 × 2,274,408.40
  4. Step 4: Simplify right side
    3,120,437.20x = 10,645,722,869,028.72
  5. Step 5: Solve for x
    x = 10,645,722,869,028.72/3,120,437.20
  6. Step 6: Final answer
    x = 3,411,612.60

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Similar ratio
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1.5x scale

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.