Home / 5,114,835.72-7,058,458.78-2,822,980

Finding the Fourth Proportional to 5,114,835.72, 7,058,458.78 and 2,822,980

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Solution

The fourth proportional to 5,114,835.72, 7,058,458.78 and 2,822,980 is: 3,895,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114,835.72 : 7,058,458.78 = 2,822,980 : x
  2. Step 2: Convert to fraction form
    5,114,835.72/7,058,458.78 = 2,822,980/x
  3. Step 3: Cross multiply
    5,114,835.72x = 7,058,458.78 × 2,822,980
  4. Step 4: Simplify right side
    5,114,835.72x = 19,925,887,966,764.40
  5. Step 5: Solve for x
    x = 19,925,887,966,764.40/5,114,835.72
  6. Step 6: Final answer
    x = 3,895,704.39

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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.