Home / 5,147,829.19-7,722,399.88-1,953,868.78

Finding the Fourth Proportional to 5,147,829.19, 7,722,399.88 and 1,953,868.78

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Solution

The fourth proportional to 5,147,829.19, 7,722,399.88 and 1,953,868.78 is: 2,931,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,829.19 : 7,722,399.88 = 1,953,868.78 : x
  2. Step 2: Convert to fraction form
    5,147,829.19/7,722,399.88 = 1,953,868.78/x
  3. Step 3: Cross multiply
    5,147,829.19x = 7,722,399.88 × 1,953,868.78
  4. Step 4: Simplify right side
    5,147,829.19x = 15,088,555,993,595.75
  5. Step 5: Solve for x
    x = 15,088,555,993,595.75/5,147,829.19
  6. Step 6: Final answer
    x = 2,931,052.19

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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.