Home / 1,915,252.12-2,643,065.76-1,055,843.14

Finding the Fourth Proportional to 1,915,252.12, 2,643,065.76 and 1,055,843.14

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Solution

The fourth proportional to 1,915,252.12, 2,643,065.76 and 1,055,843.14 is: 1,457,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,252.12 : 2,643,065.76 = 1,055,843.14 : x
  2. Step 2: Convert to fraction form
    1,915,252.12/2,643,065.76 = 1,055,843.14/x
  3. Step 3: Cross multiply
    1,915,252.12x = 2,643,065.76 × 1,055,843.14
  4. Step 4: Simplify right side
    1,915,252.12x = 2,790,662,851,264.89
  5. Step 5: Solve for x
    x = 2,790,662,851,264.89/1,915,252.12
  6. Step 6: Final answer
    x = 1,457,073.36

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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.