Home / 2,919,158.40-4,369,406.40-2,079,350.40

Finding the Fourth Proportional to 2,919,158.40, 4,369,406.40 and 2,079,350.40

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Solution

The fourth proportional to 2,919,158.40, 4,369,406.40 and 2,079,350.40 is: 3,112,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,158.40 : 4,369,406.40 = 2,079,350.40 : x
  2. Step 2: Convert to fraction form
    2,919,158.40/4,369,406.40 = 2,079,350.40/x
  3. Step 3: Cross multiply
    2,919,158.40x = 4,369,406.40 × 2,079,350.40
  4. Step 4: Simplify right side
    2,919,158.40x = 9,085,526,945,602.56
  5. Step 5: Solve for x
    x = 9,085,526,945,602.56/2,919,158.40
  6. Step 6: Final answer
    x = 3,112,378.88

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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.