Home / 4,906,121.70-7,359,182.55-2,780,357.70

Finding the Fourth Proportional to 4,906,121.70, 7,359,182.55 and 2,780,357.70

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Solution

The fourth proportional to 4,906,121.70, 7,359,182.55 and 2,780,357.70 is: 4,170,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906,121.70 : 7,359,182.55 = 2,780,357.70 : x
  2. Step 2: Convert to fraction form
    4,906,121.70/7,359,182.55 = 2,780,357.70/x
  3. Step 3: Cross multiply
    4,906,121.70x = 7,359,182.55 × 2,780,357.70
  4. Step 4: Simplify right side
    4,906,121.70x = 20,461,159,868,598.14
  5. Step 5: Solve for x
    x = 20,461,159,868,598.14/4,906,121.70
  6. Step 6: Final answer
    x = 4,170,536.55

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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.