Home / 2,850,768.81-3,934,061.66-1,561,655.03

Finding the Fourth Proportional to 2,850,768.81, 3,934,061.66 and 1,561,655.03

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Solution

The fourth proportional to 2,850,768.81, 3,934,061.66 and 1,561,655.03 is: 2,155,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,768.81 : 3,934,061.66 = 1,561,655.03 : x
  2. Step 2: Convert to fraction form
    2,850,768.81/3,934,061.66 = 1,561,655.03/x
  3. Step 3: Cross multiply
    2,850,768.81x = 3,934,061.66 × 1,561,655.03
  4. Step 4: Simplify right side
    2,850,768.81x = 6,143,647,163,902.98
  5. Step 5: Solve for x
    x = 6,143,647,163,902.98/2,850,768.81
  6. Step 6: Final answer
    x = 2,155,084.32

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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.