Home / 2,428,515.20-3,639,856.80-1,670,355.20

Finding the Fourth Proportional to 2,428,515.20, 3,639,856.80 and 1,670,355.20

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Solution

The fourth proportional to 2,428,515.20, 3,639,856.80 and 1,670,355.20 is: 2,503,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,515.20 : 3,639,856.80 = 1,670,355.20 : x
  2. Step 2: Convert to fraction form
    2,428,515.20/3,639,856.80 = 1,670,355.20/x
  3. Step 3: Cross multiply
    2,428,515.20x = 3,639,856.80 × 1,670,355.20
  4. Step 4: Simplify right side
    2,428,515.20x = 6,079,853,733,135.36
  5. Step 5: Solve for x
    x = 6,079,853,733,135.36/2,428,515.20
  6. Step 6: Final answer
    x = 2,503,527.15

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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.