Home / 3,120,605.60-4,680,908.40-2,700,701.60

Finding the Fourth Proportional to 3,120,605.60, 4,680,908.40 and 2,700,701.60

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Solution

The fourth proportional to 3,120,605.60, 4,680,908.40 and 2,700,701.60 is: 4,051,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,605.60 : 4,680,908.40 = 2,700,701.60 : x
  2. Step 2: Convert to fraction form
    3,120,605.60/4,680,908.40 = 2,700,701.60/x
  3. Step 3: Cross multiply
    3,120,605.60x = 4,680,908.40 × 2,700,701.60
  4. Step 4: Simplify right side
    3,120,605.60x = 12,641,736,805,333.44
  5. Step 5: Solve for x
    x = 12,641,736,805,333.44/3,120,605.60
  6. Step 6: Final answer
    x = 4,051,052.40

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Double scale
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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.