Home / 3,152,425.20-4,728,637.80-1,891,676.40

Finding the Fourth Proportional to 3,152,425.20, 4,728,637.80 and 1,891,676.40

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Solution

The fourth proportional to 3,152,425.20, 4,728,637.80 and 1,891,676.40 is: 2,837,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152,425.20 : 4,728,637.80 = 1,891,676.40 : x
  2. Step 2: Convert to fraction form
    3,152,425.20/4,728,637.80 = 1,891,676.40/x
  3. Step 3: Cross multiply
    3,152,425.20x = 4,728,637.80 × 1,891,676.40
  4. Step 4: Simplify right side
    3,152,425.20x = 8,945,052,530,407.92
  5. Step 5: Solve for x
    x = 8,945,052,530,407.92/3,152,425.20
  6. Step 6: Final answer
    x = 2,837,514.60

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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.