Home / 2,131,539.30-3,194,587.35-867,939.30

Finding the Fourth Proportional to 2,131,539.30, 3,194,587.35 and 867,939.30

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Solution

The fourth proportional to 2,131,539.30, 3,194,587.35 and 867,939.30 is: 1,300,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,539.30 : 3,194,587.35 = 867,939.30 : x
  2. Step 2: Convert to fraction form
    2,131,539.30/3,194,587.35 = 867,939.30/x
  3. Step 3: Cross multiply
    2,131,539.30x = 3,194,587.35 × 867,939.30
  4. Step 4: Simplify right side
    2,131,539.30x = 2,772,707,908,347.86
  5. Step 5: Solve for x
    x = 2,772,707,908,347.86/2,131,539.30
  6. Step 6: Final answer
    x = 1,300,800.74

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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.