Home / 2,259,990.90-3,118,810.10-1,227,518.88

Finding the Fourth Proportional to 2,259,990.90, 3,118,810.10 and 1,227,518.88

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Solution

The fourth proportional to 2,259,990.90, 3,118,810.10 and 1,227,518.88 is: 1,693,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259,990.90 : 3,118,810.10 = 1,227,518.88 : x
  2. Step 2: Convert to fraction form
    2,259,990.90/3,118,810.10 = 1,227,518.88/x
  3. Step 3: Cross multiply
    2,259,990.90x = 3,118,810.10 × 1,227,518.88
  4. Step 4: Simplify right side
    2,259,990.90x = 3,828,398,273,087.66
  5. Step 5: Solve for x
    x = 3,828,398,273,087.66/2,259,990.90
  6. Step 6: Final answer
    x = 1,693,988.36

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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.