Home / 2,639,823.40-3,956,235.90-2,338,892.20

Finding the Fourth Proportional to 2,639,823.40, 3,956,235.90 and 2,338,892.20

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Solution

The fourth proportional to 2,639,823.40, 3,956,235.90 and 2,338,892.20 is: 3,505,238.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,823.40 : 3,956,235.90 = 2,338,892.20 : x
  2. Step 2: Convert to fraction form
    2,639,823.40/3,956,235.90 = 2,338,892.20/x
  3. Step 3: Cross multiply
    2,639,823.40x = 3,956,235.90 × 2,338,892.20
  4. Step 4: Simplify right side
    2,639,823.40x = 9,253,209,287,869.98
  5. Step 5: Solve for x
    x = 9,253,209,287,869.98/2,639,823.40
  6. Step 6: Final answer
    x = 3,505,238.00

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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.