Home / 2,129,187.40-3,194,778.54-930,955.72

Finding the Fourth Proportional to 2,129,187.40, 3,194,778.54 and 930,955.72

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Solution

The fourth proportional to 2,129,187.40, 3,194,778.54 and 930,955.72 is: 1,396,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,187.40 : 3,194,778.54 = 930,955.72 : x
  2. Step 2: Convert to fraction form
    2,129,187.40/3,194,778.54 = 930,955.72/x
  3. Step 3: Cross multiply
    2,129,187.40x = 3,194,778.54 × 930,955.72
  4. Step 4: Simplify right side
    2,129,187.40x = 2,974,197,355,946.25
  5. Step 5: Solve for x
    x = 2,974,197,355,946.25/2,129,187.40
  6. Step 6: Final answer
    x = 1,396,869.70

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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.