Home / 3,180,765.38-4,390,358.70-1,874,776.46

Finding the Fourth Proportional to 3,180,765.38, 4,390,358.70 and 1,874,776.46

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Solution

The fourth proportional to 3,180,765.38, 4,390,358.70 and 1,874,776.46 is: 2,587,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,765.38 : 4,390,358.70 = 1,874,776.46 : x
  2. Step 2: Convert to fraction form
    3,180,765.38/4,390,358.70 = 1,874,776.46/x
  3. Step 3: Cross multiply
    3,180,765.38x = 4,390,358.70 × 1,874,776.46
  4. Step 4: Simplify right side
    3,180,765.38x = 8,230,941,141,716.20
  5. Step 5: Solve for x
    x = 8,230,941,141,716.20/3,180,765.38
  6. Step 6: Final answer
    x = 2,587,723.44

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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.