Home / 2,079,428.40-3,119,142.60-659,595.60

Finding the Fourth Proportional to 2,079,428.40, 3,119,142.60 and 659,595.60

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Solution

The fourth proportional to 2,079,428.40, 3,119,142.60 and 659,595.60 is: 989,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,428.40 : 3,119,142.60 = 659,595.60 : x
  2. Step 2: Convert to fraction form
    2,079,428.40/3,119,142.60 = 659,595.60/x
  3. Step 3: Cross multiply
    2,079,428.40x = 3,119,142.60 × 659,595.60
  4. Step 4: Simplify right side
    2,079,428.40x = 2,057,372,734,732.56
  5. Step 5: Solve for x
    x = 2,057,372,734,732.56/2,079,428.40
  6. Step 6: Final answer
    x = 989,393.40

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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.