Home / 2,790,355.23-3,850,560.05-1,550,045.90

Finding the Fourth Proportional to 2,790,355.23, 3,850,560.05 and 1,550,045.90

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Solution

The fourth proportional to 2,790,355.23, 3,850,560.05 and 1,550,045.90 is: 2,138,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,355.23 : 3,850,560.05 = 1,550,045.90 : x
  2. Step 2: Convert to fraction form
    2,790,355.23/3,850,560.05 = 1,550,045.90/x
  3. Step 3: Cross multiply
    2,790,355.23x = 3,850,560.05 × 1,550,045.90
  4. Step 4: Simplify right side
    2,790,355.23x = 5,968,544,820,082.47
  5. Step 5: Solve for x
    x = 5,968,544,820,082.47/2,790,355.23
  6. Step 6: Final answer
    x = 2,138,991.03

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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.