Home / 3,120,219.60-4,680,329.40-2,037,800.40

Finding the Fourth Proportional to 3,120,219.60, 4,680,329.40 and 2,037,800.40

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Solution

The fourth proportional to 3,120,219.60, 4,680,329.40 and 2,037,800.40 is: 3,056,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,219.60 : 4,680,329.40 = 2,037,800.40 : x
  2. Step 2: Convert to fraction form
    3,120,219.60/4,680,329.40 = 2,037,800.40/x
  3. Step 3: Cross multiply
    3,120,219.60x = 4,680,329.40 × 2,037,800.40
  4. Step 4: Simplify right side
    3,120,219.60x = 9,537,577,123,451.76
  5. Step 5: Solve for x
    x = 9,537,577,123,451.76/3,120,219.60
  6. Step 6: Final answer
    x = 3,056,700.60

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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.