Home / 2,909,455.98-4,364,546.28-990,219.71

Finding the Fourth Proportional to 2,909,455.98, 4,364,546.28 and 990,219.71

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Solution

The fourth proportional to 2,909,455.98, 4,364,546.28 and 990,219.71 is: 1,485,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,455.98 : 4,364,546.28 = 990,219.71 : x
  2. Step 2: Convert to fraction form
    2,909,455.98/4,364,546.28 = 990,219.71/x
  3. Step 3: Cross multiply
    2,909,455.98x = 4,364,546.28 × 990,219.71
  4. Step 4: Simplify right side
    2,909,455.98x = 4,321,859,729,840.45
  5. Step 5: Solve for x
    x = 4,321,859,729,840.45/2,909,455.98
  6. Step 6: Final answer
    x = 1,485,452.87

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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.