Home / 2,751,308.40-4,123,463.40-1,328,300.40

Finding the Fourth Proportional to 2,751,308.40, 4,123,463.40 and 1,328,300.40

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Solution

The fourth proportional to 2,751,308.40, 4,123,463.40 and 1,328,300.40 is: 1,990,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,308.40 : 4,123,463.40 = 1,328,300.40 : x
  2. Step 2: Convert to fraction form
    2,751,308.40/4,123,463.40 = 1,328,300.40/x
  3. Step 3: Cross multiply
    2,751,308.40x = 4,123,463.40 × 1,328,300.40
  4. Step 4: Simplify right side
    2,751,308.40x = 5,477,198,083,605.36
  5. Step 5: Solve for x
    x = 5,477,198,083,605.36/2,751,308.40
  6. Step 6: Final answer
    x = 1,990,761.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.