Home / 3,548,391.90-5,322,005.46-989,780.92

Finding the Fourth Proportional to 3,548,391.90, 5,322,005.46 and 989,780.92

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Solution

The fourth proportional to 3,548,391.90, 5,322,005.46 and 989,780.92 is: 1,484,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,391.90 : 5,322,005.46 = 989,780.92 : x
  2. Step 2: Convert to fraction form
    3,548,391.90/5,322,005.46 = 989,780.92/x
  3. Step 3: Cross multiply
    3,548,391.90x = 5,322,005.46 × 989,780.92
  4. Step 4: Simplify right side
    3,548,391.90x = 5,267,619,460,443.82
  5. Step 5: Solve for x
    x = 5,267,619,460,443.82/3,548,391.90
  6. Step 6: Final answer
    x = 1,484,508.93

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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.