Home / 2,139,058.17-3,206,428.28-1,340,900.23

Finding the Fourth Proportional to 2,139,058.17, 3,206,428.28 and 1,340,900.23

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Solution

The fourth proportional to 2,139,058.17, 3,206,428.28 and 1,340,900.23 is: 2,009,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,058.17 : 3,206,428.28 = 1,340,900.23 : x
  2. Step 2: Convert to fraction form
    2,139,058.17/3,206,428.28 = 1,340,900.23/x
  3. Step 3: Cross multiply
    2,139,058.17x = 3,206,428.28 × 1,340,900.23
  4. Step 4: Simplify right side
    2,139,058.17x = 4,299,500,403,409.93
  5. Step 5: Solve for x
    x = 4,299,500,403,409.93/2,139,058.17
  6. Step 6: Final answer
    x = 2,009,996.95

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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.