Home / 5,739,831.60-7,920,966.75-3,161,512.31

Finding the Fourth Proportional to 5,739,831.60, 7,920,966.75 and 3,161,512.31

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Solution

The fourth proportional to 5,739,831.60, 7,920,966.75 and 3,161,512.31 is: 4,362,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739,831.60 : 7,920,966.75 = 3,161,512.31 : x
  2. Step 2: Convert to fraction form
    5,739,831.60/7,920,966.75 = 3,161,512.31/x
  3. Step 3: Cross multiply
    5,739,831.60x = 7,920,966.75 × 3,161,512.31
  4. Step 4: Simplify right side
    5,739,831.60x = 25,042,233,847,620.86
  5. Step 5: Solve for x
    x = 25,042,233,847,620.86/5,739,831.60
  6. Step 6: Final answer
    x = 4,362,886.51

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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.