Home / 1,994,309.52-2,752,736.04-1,390,891.92

Finding the Fourth Proportional to 1,994,309.52, 2,752,736.04 and 1,390,891.92

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Solution

The fourth proportional to 1,994,309.52, 2,752,736.04 and 1,390,891.92 is: 1,919,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,309.52 : 2,752,736.04 = 1,390,891.92 : x
  2. Step 2: Convert to fraction form
    1,994,309.52/2,752,736.04 = 1,390,891.92/x
  3. Step 3: Cross multiply
    1,994,309.52x = 2,752,736.04 × 1,390,891.92
  4. Step 4: Simplify right side
    1,994,309.52x = 3,828,758,315,928.80
  5. Step 5: Solve for x
    x = 3,828,758,315,928.80/1,994,309.52
  6. Step 6: Final answer
    x = 1,919,841.57

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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.