Home / 2,802,912.40-3,868,018.16-1,513,753.06

Finding the Fourth Proportional to 2,802,912.40, 3,868,018.16 and 1,513,753.06

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Solution

The fourth proportional to 2,802,912.40, 3,868,018.16 and 1,513,753.06 is: 2,088,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,912.40 : 3,868,018.16 = 1,513,753.06 : x
  2. Step 2: Convert to fraction form
    2,802,912.40/3,868,018.16 = 1,513,753.06/x
  3. Step 3: Cross multiply
    2,802,912.40x = 3,868,018.16 × 1,513,753.06
  4. Step 4: Simplify right side
    2,802,912.40x = 5,855,224,325,835.57
  5. Step 5: Solve for x
    x = 5,855,224,325,835.57/2,802,912.40
  6. Step 6: Final answer
    x = 2,088,978.71

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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.