Home / 2,009,387.84-3,012,947.04-661,186.88

Finding the Fourth Proportional to 2,009,387.84, 3,012,947.04 and 661,186.88

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Solution

The fourth proportional to 2,009,387.84, 3,012,947.04 and 661,186.88 is: 991,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,387.84 : 3,012,947.04 = 661,186.88 : x
  2. Step 2: Convert to fraction form
    2,009,387.84/3,012,947.04 = 661,186.88/x
  3. Step 3: Cross multiply
    2,009,387.84x = 3,012,947.04 × 661,186.88
  4. Step 4: Simplify right side
    2,009,387.84x = 1,992,121,052,982.84
  5. Step 5: Solve for x
    x = 1,992,121,052,982.84/2,009,387.84
  6. Step 6: Final answer
    x = 991,406.94

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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.