Home / 3,412,478.89-4,709,253.02-1,942,315.66

Finding the Fourth Proportional to 3,412,478.89, 4,709,253.02 and 1,942,315.66

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Solution

The fourth proportional to 3,412,478.89, 4,709,253.02 and 1,942,315.66 is: 2,680,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,478.89 : 4,709,253.02 = 1,942,315.66 : x
  2. Step 2: Convert to fraction form
    3,412,478.89/4,709,253.02 = 1,942,315.66/x
  3. Step 3: Cross multiply
    3,412,478.89x = 4,709,253.02 × 1,942,315.66
  4. Step 4: Simplify right side
    3,412,478.89x = 9,146,855,887,648.29
  5. Step 5: Solve for x
    x = 9,146,855,887,648.29/3,412,478.89
  6. Step 6: Final answer
    x = 2,680,413.91

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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.