Home / 2,105,182.74-3,158,163.71-666,228.33

Finding the Fourth Proportional to 2,105,182.74, 3,158,163.71 and 666,228.33

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Solution

The fourth proportional to 2,105,182.74, 3,158,163.71 and 666,228.33 is: 999,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,182.74 : 3,158,163.71 = 666,228.33 : x
  2. Step 2: Convert to fraction form
    2,105,182.74/3,158,163.71 = 666,228.33/x
  3. Step 3: Cross multiply
    2,105,182.74x = 3,158,163.71 × 666,228.33
  4. Step 4: Simplify right side
    2,105,182.74x = 2,104,058,131,048.76
  5. Step 5: Solve for x
    x = 2,104,058,131,048.76/2,105,182.74
  6. Step 6: Final answer
    x = 999,465.79

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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.