Home / 2,009,388.84-3,012,948.54-661,187.88

Finding the Fourth Proportional to 2,009,388.84, 3,012,948.54 and 661,187.88

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Solution

The fourth proportional to 2,009,388.84, 3,012,948.54 and 661,187.88 is: 991,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,388.84 : 3,012,948.54 = 661,187.88 : x
  2. Step 2: Convert to fraction form
    2,009,388.84/3,012,948.54 = 661,187.88/x
  3. Step 3: Cross multiply
    2,009,388.84x = 3,012,948.54 × 661,187.88
  4. Step 4: Simplify right side
    2,009,388.84x = 1,992,125,057,711.70
  5. Step 5: Solve for x
    x = 1,992,125,057,711.70/2,009,388.84
  6. Step 6: Final answer
    x = 991,408.44

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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.