Home / 3,145,883.81-4,341,278.39-1,769,227.13

Finding the Fourth Proportional to 3,145,883.81, 4,341,278.39 and 1,769,227.13

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Solution

The fourth proportional to 3,145,883.81, 4,341,278.39 and 1,769,227.13 is: 2,441,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,883.81 : 4,341,278.39 = 1,769,227.13 : x
  2. Step 2: Convert to fraction form
    3,145,883.81/4,341,278.39 = 1,769,227.13/x
  3. Step 3: Cross multiply
    3,145,883.81x = 4,341,278.39 × 1,769,227.13
  4. Step 4: Simplify right side
    3,145,883.81x = 7,680,707,508,477.78
  5. Step 5: Solve for x
    x = 7,680,707,508,477.78/3,145,883.81
  6. Step 6: Final answer
    x = 2,441,510.24

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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.