Home / 2,687,412.13-3,708,628.78-1,480,188.13

Finding the Fourth Proportional to 2,687,412.13, 3,708,628.78 and 1,480,188.13

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Solution

The fourth proportional to 2,687,412.13, 3,708,628.78 and 1,480,188.13 is: 2,042,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,412.13 : 3,708,628.78 = 1,480,188.13 : x
  2. Step 2: Convert to fraction form
    2,687,412.13/3,708,628.78 = 1,480,188.13/x
  3. Step 3: Cross multiply
    2,687,412.13x = 3,708,628.78 × 1,480,188.13
  4. Step 4: Simplify right side
    2,687,412.13x = 5,489,468,298,732.38
  5. Step 5: Solve for x
    x = 5,489,468,298,732.38/2,687,412.13
  6. Step 6: Final answer
    x = 2,042,659.64

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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.