Home / 5,332,621.41-7,358,965.20-2,885,178.76

Finding the Fourth Proportional to 5,332,621.41, 7,358,965.20 and 2,885,178.76

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Solution

The fourth proportional to 5,332,621.41, 7,358,965.20 and 2,885,178.76 is: 3,981,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332,621.41 : 7,358,965.20 = 2,885,178.76 : x
  2. Step 2: Convert to fraction form
    5,332,621.41/7,358,965.20 = 2,885,178.76/x
  3. Step 3: Cross multiply
    5,332,621.41x = 7,358,965.20 × 2,885,178.76
  4. Step 4: Simplify right side
    5,332,621.41x = 21,231,930,072,221.74
  5. Step 5: Solve for x
    x = 21,231,930,072,221.74/5,332,621.41
  6. Step 6: Final answer
    x = 3,981,518.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.