Home / 5,305,043.16-7,320,959.62-2,890,595.16

Finding the Fourth Proportional to 5,305,043.16, 7,320,959.62 and 2,890,595.16

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Solution

The fourth proportional to 5,305,043.16, 7,320,959.62 and 2,890,595.16 is: 3,989,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,043.16 : 7,320,959.62 = 2,890,595.16 : x
  2. Step 2: Convert to fraction form
    5,305,043.16/7,320,959.62 = 2,890,595.16/x
  3. Step 3: Cross multiply
    5,305,043.16x = 7,320,959.62 × 2,890,595.16
  4. Step 4: Simplify right side
    5,305,043.16x = 21,161,930,436,900.95
  5. Step 5: Solve for x
    x = 21,161,930,436,900.95/5,305,043.16
  6. Step 6: Final answer
    x = 3,989,021.35

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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.