Home / 1,614,420.81-2,227,900.72-889,266.28

Finding the Fourth Proportional to 1,614,420.81, 2,227,900.72 and 889,266.28

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Solution

The fourth proportional to 1,614,420.81, 2,227,900.72 and 889,266.28 is: 1,227,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,420.81 : 2,227,900.72 = 889,266.28 : x
  2. Step 2: Convert to fraction form
    1,614,420.81/2,227,900.72 = 889,266.28/x
  3. Step 3: Cross multiply
    1,614,420.81x = 2,227,900.72 × 889,266.28
  4. Step 4: Simplify right side
    1,614,420.81x = 1,981,196,995,435.40
  5. Step 5: Solve for x
    x = 1,981,196,995,435.40/1,614,420.81
  6. Step 6: Final answer
    x = 1,227,187.47

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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.