Home / 3,315,302.80-4,972,954.20-1,185,456.40

Finding the Fourth Proportional to 3,315,302.80, 4,972,954.20 and 1,185,456.40

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Solution

The fourth proportional to 3,315,302.80, 4,972,954.20 and 1,185,456.40 is: 1,778,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,302.80 : 4,972,954.20 = 1,185,456.40 : x
  2. Step 2: Convert to fraction form
    3,315,302.80/4,972,954.20 = 1,185,456.40/x
  3. Step 3: Cross multiply
    3,315,302.80x = 4,972,954.20 × 1,185,456.40
  4. Step 4: Simplify right side
    3,315,302.80x = 5,895,220,383,296.88
  5. Step 5: Solve for x
    x = 5,895,220,383,296.88/3,315,302.80
  6. Step 6: Final answer
    x = 1,778,184.60

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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.