Home / 3,574,638.22-5,361,910.61-878,986.78

Finding the Fourth Proportional to 3,574,638.22, 5,361,910.61 and 878,986.78

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Solution

The fourth proportional to 3,574,638.22, 5,361,910.61 and 878,986.78 is: 1,318,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574,638.22 : 5,361,910.61 = 878,986.78 : x
  2. Step 2: Convert to fraction form
    3,574,638.22/5,361,910.61 = 878,986.78/x
  3. Step 3: Cross multiply
    3,574,638.22x = 5,361,910.61 × 878,986.78
  4. Step 4: Simplify right side
    3,574,638.22x = 4,713,048,550,492.13
  5. Step 5: Solve for x
    x = 4,713,048,550,492.13/3,574,638.22
  6. Step 6: Final answer
    x = 1,318,468.69

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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.