Home / 2,146,028.85-2,961,777.29-1,287,061.65

Finding the Fourth Proportional to 2,146,028.85, 2,961,777.29 and 1,287,061.65

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Solution

The fourth proportional to 2,146,028.85, 2,961,777.29 and 1,287,061.65 is: 1,776,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,028.85 : 2,961,777.29 = 1,287,061.65 : x
  2. Step 2: Convert to fraction form
    2,146,028.85/2,961,777.29 = 1,287,061.65/x
  3. Step 3: Cross multiply
    2,146,028.85x = 2,961,777.29 × 1,287,061.65
  4. Step 4: Simplify right side
    2,146,028.85x = 3,811,989,959,364.62
  5. Step 5: Solve for x
    x = 3,811,989,959,364.62/2,146,028.85
  6. Step 6: Final answer
    x = 1,776,299.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.