Home / 6,873,409.20-10,307,489.40-2,079,505.20

Finding the Fourth Proportional to 6,873,409.20, 10,307,489.40 and 2,079,505.20

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Solution

The fourth proportional to 6,873,409.20, 10,307,489.40 and 2,079,505.20 is: 3,118,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873,409.20 : 10,307,489.40 = 2,079,505.20 : x
  2. Step 2: Convert to fraction form
    6,873,409.20/10,307,489.40 = 2,079,505.20/x
  3. Step 3: Cross multiply
    6,873,409.20x = 10,307,489.40 × 2,079,505.20
  4. Step 4: Simplify right side
    6,873,409.20x = 21,434,477,806,244.88
  5. Step 5: Solve for x
    x = 21,434,477,806,244.88/6,873,409.20
  6. Step 6: Final answer
    x = 3,118,463.80

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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.