Home / 2,145,180.58-2,960,400.31-1,178,331.12

Finding the Fourth Proportional to 2,145,180.58, 2,960,400.31 and 1,178,331.12

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Solution

The fourth proportional to 2,145,180.58, 2,960,400.31 and 1,178,331.12 is: 1,626,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,180.58 : 2,960,400.31 = 1,178,331.12 : x
  2. Step 2: Convert to fraction form
    2,145,180.58/2,960,400.31 = 1,178,331.12/x
  3. Step 3: Cross multiply
    2,145,180.58x = 2,960,400.31 × 1,178,331.12
  4. Step 4: Simplify right side
    2,145,180.58x = 3,488,331,809,984.82
  5. Step 5: Solve for x
    x = 3,488,331,809,984.82/2,145,180.58
  6. Step 6: Final answer
    x = 1,626,125.02

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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.