Home / 2,124,959.37-3,188,378.09-1,113,839.56

Finding the Fourth Proportional to 2,124,959.37, 3,188,378.09 and 1,113,839.56

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Solution

The fourth proportional to 2,124,959.37, 3,188,378.09 and 1,113,839.56 is: 1,671,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,959.37 : 3,188,378.09 = 1,113,839.56 : x
  2. Step 2: Convert to fraction form
    2,124,959.37/3,188,378.09 = 1,113,839.56/x
  3. Step 3: Cross multiply
    2,124,959.37x = 3,188,378.09 × 1,113,839.56
  4. Step 4: Simplify right side
    2,124,959.37x = 3,551,341,637,714.69
  5. Step 5: Solve for x
    x = 3,551,341,637,714.69/2,124,959.37
  6. Step 6: Final answer
    x = 1,671,251.55

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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.