Home / 2,288,322.78-3,431,155.02-867,603.84

Finding the Fourth Proportional to 2,288,322.78, 3,431,155.02 and 867,603.84

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Solution

The fourth proportional to 2,288,322.78, 3,431,155.02 and 867,603.84 is: 1,300,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,322.78 : 3,431,155.02 = 867,603.84 : x
  2. Step 2: Convert to fraction form
    2,288,322.78/3,431,155.02 = 867,603.84/x
  3. Step 3: Cross multiply
    2,288,322.78x = 3,431,155.02 × 867,603.84
  4. Step 4: Simplify right side
    2,288,322.78x = 2,976,883,270,987.28
  5. Step 5: Solve for x
    x = 2,976,883,270,987.28/2,288,322.78
  6. Step 6: Final answer
    x = 1,300,901.82

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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.