Home / 2,146,155.12-2,961,684.36-1,179,282.60

Finding the Fourth Proportional to 2,146,155.12, 2,961,684.36 and 1,179,282.60

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Solution

The fourth proportional to 2,146,155.12, 2,961,684.36 and 1,179,282.60 is: 1,627,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,155.12 : 2,961,684.36 = 1,179,282.60 : x
  2. Step 2: Convert to fraction form
    2,146,155.12/2,961,684.36 = 1,179,282.60/x
  3. Step 3: Cross multiply
    2,146,155.12x = 2,961,684.36 × 1,179,282.60
  4. Step 4: Simplify right side
    2,146,155.12x = 3,492,662,832,440.14
  5. Step 5: Solve for x
    x = 3,492,662,832,440.14/2,146,155.12
  6. Step 6: Final answer
    x = 1,627,404.65

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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.