Home / 2,148,159.20-3,224,728.40-1,152,831.20

Finding the Fourth Proportional to 2,148,159.20, 3,224,728.40 and 1,152,831.20

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Solution

The fourth proportional to 2,148,159.20, 3,224,728.40 and 1,152,831.20 is: 1,730,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,159.20 : 3,224,728.40 = 1,152,831.20 : x
  2. Step 2: Convert to fraction form
    2,148,159.20/3,224,728.40 = 1,152,831.20/x
  3. Step 3: Cross multiply
    2,148,159.20x = 3,224,728.40 × 1,152,831.20
  4. Step 4: Simplify right side
    2,148,159.20x = 3,717,567,511,046.08
  5. Step 5: Solve for x
    x = 3,717,567,511,046.08/2,148,159.20
  6. Step 6: Final answer
    x = 1,730,582.87

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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.