Home / 2,189,963.02-3,021,710.08-1,222,944.52

Finding the Fourth Proportional to 2,189,963.02, 3,021,710.08 and 1,222,944.52

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Solution

The fourth proportional to 2,189,963.02, 3,021,710.08 and 1,222,944.52 is: 1,687,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,963.02 : 3,021,710.08 = 1,222,944.52 : x
  2. Step 2: Convert to fraction form
    2,189,963.02/3,021,710.08 = 1,222,944.52/x
  3. Step 3: Cross multiply
    2,189,963.02x = 3,021,710.08 × 1,222,944.52
  4. Step 4: Simplify right side
    2,189,963.02x = 3,695,383,783,364.76
  5. Step 5: Solve for x
    x = 3,695,383,783,364.76/2,189,963.02
  6. Step 6: Final answer
    x = 1,687,418.35

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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.