Home / 5,152,145.40-7,728,218.10-2,632,721.40

Finding the Fourth Proportional to 5,152,145.40, 7,728,218.10 and 2,632,721.40

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Solution

The fourth proportional to 5,152,145.40, 7,728,218.10 and 2,632,721.40 is: 3,949,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,145.40 : 7,728,218.10 = 2,632,721.40 : x
  2. Step 2: Convert to fraction form
    5,152,145.40/7,728,218.10 = 2,632,721.40/x
  3. Step 3: Cross multiply
    5,152,145.40x = 7,728,218.10 × 2,632,721.40
  4. Step 4: Simplify right side
    5,152,145.40x = 20,346,245,175,737.34
  5. Step 5: Solve for x
    x = 20,346,245,175,737.34/5,152,145.40
  6. Step 6: Final answer
    x = 3,949,082.10

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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.