Home / 3,918,049.38-5,879,343.69-1,643,370.93

Finding the Fourth Proportional to 3,918,049.38, 5,879,343.69 and 1,643,370.93

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Solution

The fourth proportional to 3,918,049.38, 5,879,343.69 and 1,643,370.93 is: 2,466,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,049.38 : 5,879,343.69 = 1,643,370.93 : x
  2. Step 2: Convert to fraction form
    3,918,049.38/5,879,343.69 = 1,643,370.93/x
  3. Step 3: Cross multiply
    3,918,049.38x = 5,879,343.69 × 1,643,370.93
  4. Step 4: Simplify right side
    3,918,049.38x = 9,661,942,507,624.93
  5. Step 5: Solve for x
    x = 9,661,942,507,624.93/3,918,049.38
  6. Step 6: Final answer
    x = 2,466,008.36

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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.