Home / 2,959,499.07-4,086,868.59-2,178,280.80

Finding the Fourth Proportional to 2,959,499.07, 4,086,868.59 and 2,178,280.80

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Solution

The fourth proportional to 2,959,499.07, 4,086,868.59 and 2,178,280.80 is: 3,008,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959,499.07 : 4,086,868.59 = 2,178,280.80 : x
  2. Step 2: Convert to fraction form
    2,959,499.07/4,086,868.59 = 2,178,280.80/x
  3. Step 3: Cross multiply
    2,959,499.07x = 4,086,868.59 × 2,178,280.80
  4. Step 4: Simplify right side
    2,959,499.07x = 8,902,347,381,720.07
  5. Step 5: Solve for x
    x = 8,902,347,381,720.07/2,959,499.07
  6. Step 6: Final answer
    x = 3,008,058.85

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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.