Home / 2,129,030.40-3,194,157.60-1,231,115.52

Finding the Fourth Proportional to 2,129,030.40, 3,194,157.60 and 1,231,115.52

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Solution

The fourth proportional to 2,129,030.40, 3,194,157.60 and 1,231,115.52 is: 1,847,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,030.40 : 3,194,157.60 = 1,231,115.52 : x
  2. Step 2: Convert to fraction form
    2,129,030.40/3,194,157.60 = 1,231,115.52/x
  3. Step 3: Cross multiply
    2,129,030.40x = 3,194,157.60 × 1,231,115.52
  4. Step 4: Simplify right side
    2,129,030.40x = 3,932,376,994,685.95
  5. Step 5: Solve for x
    x = 3,932,376,994,685.95/2,129,030.40
  6. Step 6: Final answer
    x = 1,847,027.17

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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.