Home / 3,117,947.50-4,302,780.51-1,687,163.50

Finding the Fourth Proportional to 3,117,947.50, 4,302,780.51 and 1,687,163.50

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Solution

The fourth proportional to 3,117,947.50, 4,302,780.51 and 1,687,163.50 is: 2,328,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,947.50 : 4,302,780.51 = 1,687,163.50 : x
  2. Step 2: Convert to fraction form
    3,117,947.50/4,302,780.51 = 1,687,163.50/x
  3. Step 3: Cross multiply
    3,117,947.50x = 4,302,780.51 × 1,687,163.50
  4. Step 4: Simplify right side
    3,117,947.50x = 7,259,494,224,983.39
  5. Step 5: Solve for x
    x = 7,259,494,224,983.39/3,117,947.50
  6. Step 6: Final answer
    x = 2,328,292.64

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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.