Home / 2,519,822.70-3,776,781.60-1,887,998.40

Finding the Fourth Proportional to 2,519,822.70, 3,776,781.60 and 1,887,998.40

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Solution

The fourth proportional to 2,519,822.70, 3,776,781.60 and 1,887,998.40 is: 2,829,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,822.70 : 3,776,781.60 = 1,887,998.40 : x
  2. Step 2: Convert to fraction form
    2,519,822.70/3,776,781.60 = 1,887,998.40/x
  3. Step 3: Cross multiply
    2,519,822.70x = 3,776,781.60 × 1,887,998.40
  4. Step 4: Simplify right side
    2,519,822.70x = 7,130,557,617,949.44
  5. Step 5: Solve for x
    x = 7,130,557,617,949.44/2,519,822.70
  6. Step 6: Final answer
    x = 2,829,785.45

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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.