Home / 3,650,116.50-5,474,780.46-1,220,994.36

Finding the Fourth Proportional to 3,650,116.50, 5,474,780.46 and 1,220,994.36

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Solution

The fourth proportional to 3,650,116.50, 5,474,780.46 and 1,220,994.36 is: 1,831,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650,116.50 : 5,474,780.46 = 1,220,994.36 : x
  2. Step 2: Convert to fraction form
    3,650,116.50/5,474,780.46 = 1,220,994.36/x
  3. Step 3: Cross multiply
    3,650,116.50x = 5,474,780.46 × 1,220,994.36
  4. Step 4: Simplify right side
    3,650,116.50x = 6,684,676,063,898.21
  5. Step 5: Solve for x
    x = 6,684,676,063,898.21/3,650,116.50
  6. Step 6: Final answer
    x = 1,831,359.65

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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.