Home / 5,180,808.10-7,771,212.15-3,669,153.70

Finding the Fourth Proportional to 5,180,808.10, 7,771,212.15 and 3,669,153.70

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Solution

The fourth proportional to 5,180,808.10, 7,771,212.15 and 3,669,153.70 is: 5,503,730.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,808.10 : 7,771,212.15 = 3,669,153.70 : x
  2. Step 2: Convert to fraction form
    5,180,808.10/7,771,212.15 = 3,669,153.70/x
  3. Step 3: Cross multiply
    5,180,808.10x = 7,771,212.15 × 3,669,153.70
  4. Step 4: Simplify right side
    5,180,808.10x = 28,513,771,813,657.46
  5. Step 5: Solve for x
    x = 28,513,771,813,657.46/5,180,808.10
  6. Step 6: Final answer
    x = 5,503,730.55

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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.