Home / 3,559,743.45-4,912,447.50-1,928,145.87

Finding the Fourth Proportional to 3,559,743.45, 4,912,447.50 and 1,928,145.87

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Solution

The fourth proportional to 3,559,743.45, 4,912,447.50 and 1,928,145.87 is: 2,660,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,743.45 : 4,912,447.50 = 1,928,145.87 : x
  2. Step 2: Convert to fraction form
    3,559,743.45/4,912,447.50 = 1,928,145.87/x
  3. Step 3: Cross multiply
    3,559,743.45x = 4,912,447.50 × 1,928,145.87
  4. Step 4: Simplify right side
    3,559,743.45x = 9,471,915,358,716.83
  5. Step 5: Solve for x
    x = 9,471,915,358,716.83/3,559,743.45
  6. Step 6: Final answer
    x = 2,660,842.13

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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.