Home / 2,105,077.61-3,158,005.97-666,122.73

Finding the Fourth Proportional to 2,105,077.61, 3,158,005.97 and 666,122.73

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Solution

The fourth proportional to 2,105,077.61, 3,158,005.97 and 666,122.73 is: 999,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,077.61 : 3,158,005.97 = 666,122.73 : x
  2. Step 2: Convert to fraction form
    2,105,077.61/3,158,005.97 = 666,122.73/x
  3. Step 3: Cross multiply
    2,105,077.61x = 3,158,005.97 × 666,122.73
  4. Step 4: Simplify right side
    2,105,077.61x = 2,103,619,554,762.08
  5. Step 5: Solve for x
    x = 2,103,619,554,762.08/2,105,077.61
  6. Step 6: Final answer
    x = 999,307.37

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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.