Home / 2,750,912.40-4,122,869.40-1,327,904.40

Finding the Fourth Proportional to 2,750,912.40, 4,122,869.40 and 1,327,904.40

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Solution

The fourth proportional to 2,750,912.40, 4,122,869.40 and 1,327,904.40 is: 1,990,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750,912.40 : 4,122,869.40 = 1,327,904.40 : x
  2. Step 2: Convert to fraction form
    2,750,912.40/4,122,869.40 = 1,327,904.40/x
  3. Step 3: Cross multiply
    2,750,912.40x = 4,122,869.40 × 1,327,904.40
  4. Step 4: Simplify right side
    2,750,912.40x = 5,474,776,416,885.36
  5. Step 5: Solve for x
    x = 5,474,776,416,885.36/2,750,912.40
  6. Step 6: Final answer
    x = 1,990,167.49

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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.