Home / 2,087,831.40-3,131,747.10-968,087.40

Finding the Fourth Proportional to 2,087,831.40, 3,131,747.10 and 968,087.40

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Solution

The fourth proportional to 2,087,831.40, 3,131,747.10 and 968,087.40 is: 1,452,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,831.40 : 3,131,747.10 = 968,087.40 : x
  2. Step 2: Convert to fraction form
    2,087,831.40/3,131,747.10 = 968,087.40/x
  3. Step 3: Cross multiply
    2,087,831.40x = 3,131,747.10 × 968,087.40
  4. Step 4: Simplify right side
    2,087,831.40x = 3,031,804,907,496.54
  5. Step 5: Solve for x
    x = 3,031,804,907,496.54/2,087,831.40
  6. Step 6: Final answer
    x = 1,452,131.10

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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.