Home / 2,187,376.64-3,018,576-1,220,448

Finding the Fourth Proportional to 2,187,376.64, 3,018,576 and 1,220,448

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Solution

The fourth proportional to 2,187,376.64, 3,018,576 and 1,220,448 is: 1,684,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,376.64 : 3,018,576 = 1,220,448 : x
  2. Step 2: Convert to fraction form
    2,187,376.64/3,018,576 = 1,220,448/x
  3. Step 3: Cross multiply
    2,187,376.64x = 3,018,576 × 1,220,448
  4. Step 4: Simplify right side
    2,187,376.64x = 3,684,015,042,048
  5. Step 5: Solve for x
    x = 3,684,015,042,048/2,187,376.64
  6. Step 6: Final answer
    x = 1,684,216.14

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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.