Home / 3,055,040.28-4,215,957.21-1,678,472.73

Finding the Fourth Proportional to 3,055,040.28, 4,215,957.21 and 1,678,472.73

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Solution

The fourth proportional to 3,055,040.28, 4,215,957.21 and 1,678,472.73 is: 2,316,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055,040.28 : 4,215,957.21 = 1,678,472.73 : x
  2. Step 2: Convert to fraction form
    3,055,040.28/4,215,957.21 = 1,678,472.73/x
  3. Step 3: Cross multiply
    3,055,040.28x = 4,215,957.21 × 1,678,472.73
  4. Step 4: Simplify right side
    3,055,040.28x = 7,076,369,207,831.88
  5. Step 5: Solve for x
    x = 7,076,369,207,831.88/3,055,040.28
  6. Step 6: Final answer
    x = 2,316,293.26

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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.