Home / 3,218,110.20-4,825,739.70-1,087,615.80

Finding the Fourth Proportional to 3,218,110.20, 4,825,739.70 and 1,087,615.80

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Solution

The fourth proportional to 3,218,110.20, 4,825,739.70 and 1,087,615.80 is: 1,630,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,110.20 : 4,825,739.70 = 1,087,615.80 : x
  2. Step 2: Convert to fraction form
    3,218,110.20/4,825,739.70 = 1,087,615.80/x
  3. Step 3: Cross multiply
    3,218,110.20x = 4,825,739.70 × 1,087,615.80
  4. Step 4: Simplify right side
    3,218,110.20x = 5,248,550,744,407.26
  5. Step 5: Solve for x
    x = 5,248,550,744,407.26/3,218,110.20
  6. Step 6: Final answer
    x = 1,630,941.89

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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.