Home / 2,900,216.80-4,002,297.12-1,611,177.36

Finding the Fourth Proportional to 2,900,216.80, 4,002,297.12 and 1,611,177.36

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Solution

The fourth proportional to 2,900,216.80, 4,002,297.12 and 1,611,177.36 is: 2,223,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,216.80 : 4,002,297.12 = 1,611,177.36 : x
  2. Step 2: Convert to fraction form
    2,900,216.80/4,002,297.12 = 1,611,177.36/x
  3. Step 3: Cross multiply
    2,900,216.80x = 4,002,297.12 × 1,611,177.36
  4. Step 4: Simplify right side
    2,900,216.80x = 6,448,410,507,737.20
  5. Step 5: Solve for x
    x = 6,448,410,507,737.20/2,900,216.80
  6. Step 6: Final answer
    x = 2,223,423.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.