Home / 5,152,993.20-7,729,489.80-1,787,200.20

Finding the Fourth Proportional to 5,152,993.20, 7,729,489.80 and 1,787,200.20

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Solution

The fourth proportional to 5,152,993.20, 7,729,489.80 and 1,787,200.20 is: 2,680,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,993.20 : 7,729,489.80 = 1,787,200.20 : x
  2. Step 2: Convert to fraction form
    5,152,993.20/7,729,489.80 = 1,787,200.20/x
  3. Step 3: Cross multiply
    5,152,993.20x = 7,729,489.80 × 1,787,200.20
  4. Step 4: Simplify right side
    5,152,993.20x = 13,814,145,716,457.96
  5. Step 5: Solve for x
    x = 13,814,145,716,457.96/5,152,993.20
  6. Step 6: Final answer
    x = 2,680,800.30

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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.