Home / 1,815,055.74-2,504,731.14-999,251.28

Finding the Fourth Proportional to 1,815,055.74, 2,504,731.14 and 999,251.28

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Solution

The fourth proportional to 1,815,055.74, 2,504,731.14 and 999,251.28 is: 1,378,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,055.74 : 2,504,731.14 = 999,251.28 : x
  2. Step 2: Convert to fraction form
    1,815,055.74/2,504,731.14 = 999,251.28/x
  3. Step 3: Cross multiply
    1,815,055.74x = 2,504,731.14 × 999,251.28
  4. Step 4: Simplify right side
    1,815,055.74x = 2,502,855,797,700.86
  5. Step 5: Solve for x
    x = 2,502,855,797,700.86/1,815,055.74
  6. Step 6: Final answer
    x = 1,378,941.56

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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.