Home / 2,311,116.79-3,189,408.75-1,264,600.84

Finding the Fourth Proportional to 2,311,116.79, 3,189,408.75 and 1,264,600.84

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Solution

The fourth proportional to 2,311,116.79, 3,189,408.75 and 1,264,600.84 is: 1,745,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,116.79 : 3,189,408.75 = 1,264,600.84 : x
  2. Step 2: Convert to fraction form
    2,311,116.79/3,189,408.75 = 1,264,600.84/x
  3. Step 3: Cross multiply
    2,311,116.79x = 3,189,408.75 × 1,264,600.84
  4. Step 4: Simplify right side
    2,311,116.79x = 4,033,328,984,353.35
  5. Step 5: Solve for x
    x = 4,033,328,984,353.35/2,311,116.79
  6. Step 6: Final answer
    x = 1,745,186.14

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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.