Home / 5,151,659.40-7,727,489.10-2,912,171.40

Finding the Fourth Proportional to 5,151,659.40, 7,727,489.10 and 2,912,171.40

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Solution

The fourth proportional to 5,151,659.40, 7,727,489.10 and 2,912,171.40 is: 4,368,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,659.40 : 7,727,489.10 = 2,912,171.40 : x
  2. Step 2: Convert to fraction form
    5,151,659.40/7,727,489.10 = 2,912,171.40/x
  3. Step 3: Cross multiply
    5,151,659.40x = 7,727,489.10 × 2,912,171.40
  4. Step 4: Simplify right side
    5,151,659.40x = 22,503,772,750,831.74
  5. Step 5: Solve for x
    x = 22,503,772,750,831.74/5,151,659.40
  6. Step 6: Final answer
    x = 4,368,257.10

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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.