Home / 2,807,108.40-4,202,789.40-2,728,376.40

Finding the Fourth Proportional to 2,807,108.40, 4,202,789.40 and 2,728,376.40

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Solution

The fourth proportional to 2,807,108.40, 4,202,789.40 and 2,728,376.40 is: 4,084,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,108.40 : 4,202,789.40 = 2,728,376.40 : x
  2. Step 2: Convert to fraction form
    2,807,108.40/4,202,789.40 = 2,728,376.40/x
  3. Step 3: Cross multiply
    2,807,108.40x = 4,202,789.40 × 2,728,376.40
  4. Step 4: Simplify right side
    2,807,108.40x = 11,466,791,413,130.16
  5. Step 5: Solve for x
    x = 11,466,791,413,130.16/2,807,108.40
  6. Step 6: Final answer
    x = 4,084,912.22

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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.