Home / 2,180,988-3,271,780.08-760,831.20

Finding the Fourth Proportional to 2,180,988, 3,271,780.08 and 760,831.20

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Solution

The fourth proportional to 2,180,988, 3,271,780.08 and 760,831.20 is: 1,141,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,988 : 3,271,780.08 = 760,831.20 : x
  2. Step 2: Convert to fraction form
    2,180,988/3,271,780.08 = 760,831.20/x
  3. Step 3: Cross multiply
    2,180,988x = 3,271,780.08 × 760,831.20
  4. Step 4: Simplify right side
    2,180,988x = 2,489,272,364,402.50
  5. Step 5: Solve for x
    x = 2,489,272,364,402.50/2,180,988
  6. Step 6: Final answer
    x = 1,141,350.78

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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.