Home / 2,723,468.60-4,085,786.10-830,401.40

Finding the Fourth Proportional to 2,723,468.60, 4,085,786.10 and 830,401.40

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Solution

The fourth proportional to 2,723,468.60, 4,085,786.10 and 830,401.40 is: 1,245,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,468.60 : 4,085,786.10 = 830,401.40 : x
  2. Step 2: Convert to fraction form
    2,723,468.60/4,085,786.10 = 830,401.40/x
  3. Step 3: Cross multiply
    2,723,468.60x = 4,085,786.10 × 830,401.40
  4. Step 4: Simplify right side
    2,723,468.60x = 3,392,842,497,540.54
  5. Step 5: Solve for x
    x = 3,392,842,497,540.54/2,723,468.60
  6. Step 6: Final answer
    x = 1,245,779.92

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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.