Home / 5,151,408.87-7,108,588.63-2,859,389.13

Finding the Fourth Proportional to 5,151,408.87, 7,108,588.63 and 2,859,389.13

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Solution

The fourth proportional to 5,151,408.87, 7,108,588.63 and 2,859,389.13 is: 3,945,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,408.87 : 7,108,588.63 = 2,859,389.13 : x
  2. Step 2: Convert to fraction form
    5,151,408.87/7,108,588.63 = 2,859,389.13/x
  3. Step 3: Cross multiply
    5,151,408.87x = 7,108,588.63 × 2,859,389.13
  4. Step 4: Simplify right side
    5,151,408.87x = 20,326,221,058,263.59
  5. Step 5: Solve for x
    x = 20,326,221,058,263.59/5,151,408.87
  6. Step 6: Final answer
    x = 3,945,759.61

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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.