Home / 3,912,068.41-5,863,961.00-1,315,901.72

Finding the Fourth Proportional to 3,912,068.41, 5,863,961.00 and 1,315,901.72

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Solution

The fourth proportional to 3,912,068.41, 5,863,961.00 and 1,315,901.72 is: 1,972,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,068.41 : 5,863,961.00 = 1,315,901.72 : x
  2. Step 2: Convert to fraction form
    3,912,068.41/5,863,961.00 = 1,315,901.72/x
  3. Step 3: Cross multiply
    3,912,068.41x = 5,863,961.00 × 1,315,901.72
  4. Step 4: Simplify right side
    3,912,068.41x = 7,716,396,383,862.58
  5. Step 5: Solve for x
    x = 7,716,396,383,862.58/3,912,068.41
  6. Step 6: Final answer
    x = 1,972,459.47

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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.