Home / 2,009,058.17-3,013,568.89-810,131.45

Finding the Fourth Proportional to 2,009,058.17, 3,013,568.89 and 810,131.45

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Solution

The fourth proportional to 2,009,058.17, 3,013,568.89 and 810,131.45 is: 1,215,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,058.17 : 3,013,568.89 = 810,131.45 : x
  2. Step 2: Convert to fraction form
    2,009,058.17/3,013,568.89 = 810,131.45/x
  3. Step 3: Cross multiply
    2,009,058.17x = 3,013,568.89 × 810,131.45
  4. Step 4: Simplify right side
    2,009,058.17x = 2,441,386,917,437.42
  5. Step 5: Solve for x
    x = 2,441,386,917,437.42/2,009,058.17
  6. Step 6: Final answer
    x = 1,215,189.76

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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.