Home / 5,251,497.90-7,877,246.85-3,120,485.10

Finding the Fourth Proportional to 5,251,497.90, 7,877,246.85 and 3,120,485.10

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Solution

The fourth proportional to 5,251,497.90, 7,877,246.85 and 3,120,485.10 is: 4,680,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,497.90 : 7,877,246.85 = 3,120,485.10 : x
  2. Step 2: Convert to fraction form
    5,251,497.90/7,877,246.85 = 3,120,485.10/x
  3. Step 3: Cross multiply
    5,251,497.90x = 7,877,246.85 × 3,120,485.10
  4. Step 4: Simplify right side
    5,251,497.90x = 24,580,831,424,446.93
  5. Step 5: Solve for x
    x = 24,580,831,424,446.93/5,251,497.90
  6. Step 6: Final answer
    x = 4,680,727.65

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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.