Home / 2,129,310.40-3,193,965.60-2,101,316.80

Finding the Fourth Proportional to 2,129,310.40, 3,193,965.60 and 2,101,316.80

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Solution

The fourth proportional to 2,129,310.40, 3,193,965.60 and 2,101,316.80 is: 3,151,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,310.40 : 3,193,965.60 = 2,101,316.80 : x
  2. Step 2: Convert to fraction form
    2,129,310.40/3,193,965.60 = 2,101,316.80/x
  3. Step 3: Cross multiply
    2,129,310.40x = 3,193,965.60 × 2,101,316.80
  4. Step 4: Simplify right side
    2,129,310.40x = 6,711,533,573,902.08
  5. Step 5: Solve for x
    x = 6,711,533,573,902.08/2,129,310.40
  6. Step 6: Final answer
    x = 3,151,975.20

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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.