Home / 5,151,648.40-7,727,472.60-2,912,160.40

Finding the Fourth Proportional to 5,151,648.40, 7,727,472.60 and 2,912,160.40

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Solution

The fourth proportional to 5,151,648.40, 7,727,472.60 and 2,912,160.40 is: 4,368,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,648.40 : 7,727,472.60 = 2,912,160.40 : x
  2. Step 2: Convert to fraction form
    5,151,648.40/7,727,472.60 = 2,912,160.40/x
  3. Step 3: Cross multiply
    5,151,648.40x = 7,727,472.60 × 2,912,160.40
  4. Step 4: Simplify right side
    5,151,648.40x = 22,503,639,697,805.04
  5. Step 5: Solve for x
    x = 22,503,639,697,805.04/5,151,648.40
  6. Step 6: Final answer
    x = 4,368,240.60

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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.