Home / 2,019,990.40-3,029,981.64-1,177,951.60

Finding the Fourth Proportional to 2,019,990.40, 3,029,981.64 and 1,177,951.60

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Solution

The fourth proportional to 2,019,990.40, 3,029,981.64 and 1,177,951.60 is: 1,766,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,990.40 : 3,029,981.64 = 1,177,951.60 : x
  2. Step 2: Convert to fraction form
    2,019,990.40/3,029,981.64 = 1,177,951.60/x
  3. Step 3: Cross multiply
    2,019,990.40x = 3,029,981.64 × 1,177,951.60
  4. Step 4: Simplify right side
    2,019,990.40x = 3,569,171,720,808.62
  5. Step 5: Solve for x
    x = 3,569,171,720,808.62/2,019,990.40
  6. Step 6: Final answer
    x = 1,766,925.09

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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.