Home / 2,145,990.90-3,219,484.62-629,612.58

Finding the Fourth Proportional to 2,145,990.90, 3,219,484.62 and 629,612.58

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Solution

The fourth proportional to 2,145,990.90, 3,219,484.62 and 629,612.58 is: 944,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,990.90 : 3,219,484.62 = 629,612.58 : x
  2. Step 2: Convert to fraction form
    2,145,990.90/3,219,484.62 = 629,612.58/x
  3. Step 3: Cross multiply
    2,145,990.90x = 3,219,484.62 × 629,612.58
  4. Step 4: Simplify right side
    2,145,990.90x = 2,027,028,017,868.52
  5. Step 5: Solve for x
    x = 2,027,028,017,868.52/2,145,990.90
  6. Step 6: Final answer
    x = 944,565.06

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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.