Home / 2,640,605.12-3,960,907.56-1,441,873.52

Finding the Fourth Proportional to 2,640,605.12, 3,960,907.56 and 1,441,873.52

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Solution

The fourth proportional to 2,640,605.12, 3,960,907.56 and 1,441,873.52 is: 2,162,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,605.12 : 3,960,907.56 = 1,441,873.52 : x
  2. Step 2: Convert to fraction form
    2,640,605.12/3,960,907.56 = 1,441,873.52/x
  3. Step 3: Cross multiply
    2,640,605.12x = 3,960,907.56 × 1,441,873.52
  4. Step 4: Simplify right side
    2,640,605.12x = 5,711,127,706,127.27
  5. Step 5: Solve for x
    x = 5,711,127,706,127.27/2,640,605.12
  6. Step 6: Final answer
    x = 2,162,810.21

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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.