Home / 2,187,071.64-3,018,246.36-1,220,286.36

Finding the Fourth Proportional to 2,187,071.64, 3,018,246.36 and 1,220,286.36

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Solution

The fourth proportional to 2,187,071.64, 3,018,246.36 and 1,220,286.36 is: 1,684,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,071.64 : 3,018,246.36 = 1,220,286.36 : x
  2. Step 2: Convert to fraction form
    2,187,071.64/3,018,246.36 = 1,220,286.36/x
  3. Step 3: Cross multiply
    2,187,071.64x = 3,018,246.36 × 1,220,286.36
  4. Step 4: Simplify right side
    2,187,071.64x = 3,683,124,864,227.65
  5. Step 5: Solve for x
    x = 3,683,124,864,227.65/2,187,071.64
  6. Step 6: Final answer
    x = 1,684,044.00

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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.