Home / 2,124,933.20-3,185,662.96-988,403.98

Finding the Fourth Proportional to 2,124,933.20, 3,185,662.96 and 988,403.98

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Solution

The fourth proportional to 2,124,933.20, 3,185,662.96 and 988,403.98 is: 1,481,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,933.20 : 3,185,662.96 = 988,403.98 : x
  2. Step 2: Convert to fraction form
    2,124,933.20/3,185,662.96 = 988,403.98/x
  3. Step 3: Cross multiply
    2,124,933.20x = 3,185,662.96 × 988,403.98
  4. Step 4: Simplify right side
    2,124,933.20x = 3,148,721,948,602.58
  5. Step 5: Solve for x
    x = 3,148,721,948,602.58/2,124,933.20
  6. Step 6: Final answer
    x = 1,481,798.09

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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.