Home / 1,686,987.60-2,527,681.92-1,187,301.84

Finding the Fourth Proportional to 1,686,987.60, 2,527,681.92 and 1,187,301.84

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Solution

The fourth proportional to 1,686,987.60, 2,527,681.92 and 1,187,301.84 is: 1,778,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,987.60 : 2,527,681.92 = 1,187,301.84 : x
  2. Step 2: Convert to fraction form
    1,686,987.60/2,527,681.92 = 1,187,301.84/x
  3. Step 3: Cross multiply
    1,686,987.60x = 2,527,681.92 × 1,187,301.84
  4. Step 4: Simplify right side
    1,686,987.60x = 3,001,121,394,550.73
  5. Step 5: Solve for x
    x = 3,001,121,394,550.73/1,686,987.60
  6. Step 6: Final answer
    x = 1,778,982.49

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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.