Home / 2,182,161.42-3,011,143.95-1,264,408.74

Finding the Fourth Proportional to 2,182,161.42, 3,011,143.95 and 1,264,408.74

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Solution

The fourth proportional to 2,182,161.42, 3,011,143.95 and 1,264,408.74 is: 1,744,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,161.42 : 3,011,143.95 = 1,264,408.74 : x
  2. Step 2: Convert to fraction form
    2,182,161.42/3,011,143.95 = 1,264,408.74/x
  3. Step 3: Cross multiply
    2,182,161.42x = 3,011,143.95 × 1,264,408.74
  4. Step 4: Simplify right side
    2,182,161.42x = 3,807,316,727,778.12
  5. Step 5: Solve for x
    x = 3,807,316,727,778.12/2,182,161.42
  6. Step 6: Final answer
    x = 1,744,745.69

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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.