Home / 2,058,145.12-2,840,450.40-1,187,013.76

Finding the Fourth Proportional to 2,058,145.12, 2,840,450.40 and 1,187,013.76

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Solution

The fourth proportional to 2,058,145.12, 2,840,450.40 and 1,187,013.76 is: 1,638,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,145.12 : 2,840,450.40 = 1,187,013.76 : x
  2. Step 2: Convert to fraction form
    2,058,145.12/2,840,450.40 = 1,187,013.76/x
  3. Step 3: Cross multiply
    2,058,145.12x = 2,840,450.40 × 1,187,013.76
  4. Step 4: Simplify right side
    2,058,145.12x = 3,371,653,709,397.50
  5. Step 5: Solve for x
    x = 3,371,653,709,397.50/2,058,145.12
  6. Step 6: Final answer
    x = 1,638,200.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.