Home / 3,387,311.31-5,074,323.84-1,964,378.01

Finding the Fourth Proportional to 3,387,311.31, 5,074,323.84 and 1,964,378.01

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Solution

The fourth proportional to 3,387,311.31, 5,074,323.84 and 1,964,378.01 is: 2,942,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,311.31 : 5,074,323.84 = 1,964,378.01 : x
  2. Step 2: Convert to fraction form
    3,387,311.31/5,074,323.84 = 1,964,378.01/x
  3. Step 3: Cross multiply
    3,387,311.31x = 5,074,323.84 × 1,964,378.01
  4. Step 4: Simplify right side
    3,387,311.31x = 9,967,890,166,914.76
  5. Step 5: Solve for x
    x = 9,967,890,166,914.76/3,387,311.31
  6. Step 6: Final answer
    x = 2,942,714.52

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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.