Home / 3,115,378.80-4,674,380.40-1,696,453.20

Finding the Fourth Proportional to 3,115,378.80, 4,674,380.40 and 1,696,453.20

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Solution

The fourth proportional to 3,115,378.80, 4,674,380.40 and 1,696,453.20 is: 2,545,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,378.80 : 4,674,380.40 = 1,696,453.20 : x
  2. Step 2: Convert to fraction form
    3,115,378.80/4,674,380.40 = 1,696,453.20/x
  3. Step 3: Cross multiply
    3,115,378.80x = 4,674,380.40 × 1,696,453.20
  4. Step 4: Simplify right side
    3,115,378.80x = 7,929,867,587,597.28
  5. Step 5: Solve for x
    x = 7,929,867,587,597.28/3,115,378.80
  6. Step 6: Final answer
    x = 2,545,394.35

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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.