Home / 1,987,948.80-2,741,470.08-1,336,047.36

Finding the Fourth Proportional to 1,987,948.80, 2,741,470.08 and 1,336,047.36

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Solution

The fourth proportional to 1,987,948.80, 2,741,470.08 and 1,336,047.36 is: 1,842,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,948.80 : 2,741,470.08 = 1,336,047.36 : x
  2. Step 2: Convert to fraction form
    1,987,948.80/2,741,470.08 = 1,336,047.36/x
  3. Step 3: Cross multiply
    1,987,948.80x = 2,741,470.08 × 1,336,047.36
  4. Step 4: Simplify right side
    1,987,948.80x = 3,662,733,862,902.99
  5. Step 5: Solve for x
    x = 3,662,733,862,902.99/1,987,948.80
  6. Step 6: Final answer
    x = 1,842,468.91

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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.