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Finding the Fourth Proportional to 2,057,285.45, 2,873,113.75 and 2,057,285.45

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Solution

The fourth proportional to 2,057,285.45, 2,873,113.75 and 2,057,285.45 is: 2,873,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,285.45 : 2,873,113.75 = 2,057,285.45 : x
  2. Step 2: Convert to fraction form
    2,057,285.45/2,873,113.75 = 2,057,285.45/x
  3. Step 3: Cross multiply
    2,057,285.45x = 2,873,113.75 × 2,057,285.45
  4. Step 4: Simplify right side
    2,057,285.45x = 5,910,815,114,069.94
  5. Step 5: Solve for x
    x = 5,910,815,114,069.94/2,057,285.45
  6. Step 6: Final answer
    x = 2,873,113.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.