Home / 1,591,318.16-2,196,066.44-979,823.78

Finding the Fourth Proportional to 1,591,318.16, 2,196,066.44 and 979,823.78

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Solution

The fourth proportional to 1,591,318.16, 2,196,066.44 and 979,823.78 is: 1,352,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,318.16 : 2,196,066.44 = 979,823.78 : x
  2. Step 2: Convert to fraction form
    1,591,318.16/2,196,066.44 = 979,823.78/x
  3. Step 3: Cross multiply
    1,591,318.16x = 2,196,066.44 × 979,823.78
  4. Step 4: Simplify right side
    1,591,318.16x = 2,151,758,115,472.82
  5. Step 5: Solve for x
    x = 2,151,758,115,472.82/1,591,318.16
  6. Step 6: Final answer
    x = 1,352,185.99

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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.