Home / 3,283,775.70-4,925,663.55-3,143,807.70

Finding the Fourth Proportional to 3,283,775.70, 4,925,663.55 and 3,143,807.70

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Solution

The fourth proportional to 3,283,775.70, 4,925,663.55 and 3,143,807.70 is: 4,715,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283,775.70 : 4,925,663.55 = 3,143,807.70 : x
  2. Step 2: Convert to fraction form
    3,283,775.70/4,925,663.55 = 3,143,807.70/x
  3. Step 3: Cross multiply
    3,283,775.70x = 4,925,663.55 × 3,143,807.70
  4. Step 4: Simplify right side
    3,283,775.70x = 15,485,338,996,099.34
  5. Step 5: Solve for x
    x = 15,485,338,996,099.34/3,283,775.70
  6. Step 6: Final answer
    x = 4,715,711.55

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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.