Home / 1,628,649.40-2,442,974.10-1,115,808.76

Finding the Fourth Proportional to 1,628,649.40, 2,442,974.10 and 1,115,808.76

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Solution

The fourth proportional to 1,628,649.40, 2,442,974.10 and 1,115,808.76 is: 1,673,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,649.40 : 2,442,974.10 = 1,115,808.76 : x
  2. Step 2: Convert to fraction form
    1,628,649.40/2,442,974.10 = 1,115,808.76/x
  3. Step 3: Cross multiply
    1,628,649.40x = 2,442,974.10 × 1,115,808.76
  4. Step 4: Simplify right side
    1,628,649.40x = 2,725,891,901,233.12
  5. Step 5: Solve for x
    x = 2,725,891,901,233.12/1,628,649.40
  6. Step 6: Final answer
    x = 1,673,713.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.