Home / 2,181,014.70-3,272,040.45-918,192.30

Finding the Fourth Proportional to 2,181,014.70, 3,272,040.45 and 918,192.30

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Solution

The fourth proportional to 2,181,014.70, 3,272,040.45 and 918,192.30 is: 1,377,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,014.70 : 3,272,040.45 = 918,192.30 : x
  2. Step 2: Convert to fraction form
    2,181,014.70/3,272,040.45 = 918,192.30/x
  3. Step 3: Cross multiply
    2,181,014.70x = 3,272,040.45 × 918,192.30
  4. Step 4: Simplify right side
    2,181,014.70x = 3,004,362,346,478.54
  5. Step 5: Solve for x
    x = 3,004,362,346,478.54/2,181,014.70
  6. Step 6: Final answer
    x = 1,377,506.69

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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.