Home / 2,726,809.90-4,090,214.85-807,790.30

Finding the Fourth Proportional to 2,726,809.90, 4,090,214.85 and 807,790.30

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Solution

The fourth proportional to 2,726,809.90, 4,090,214.85 and 807,790.30 is: 1,211,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,809.90 : 4,090,214.85 = 807,790.30 : x
  2. Step 2: Convert to fraction form
    2,726,809.90/4,090,214.85 = 807,790.30/x
  3. Step 3: Cross multiply
    2,726,809.90x = 4,090,214.85 × 807,790.30
  4. Step 4: Simplify right side
    2,726,809.90x = 3,304,035,880,745.96
  5. Step 5: Solve for x
    x = 3,304,035,880,745.96/2,726,809.90
  6. Step 6: Final answer
    x = 1,211,685.45

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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.