Home / 2,591,983.80-3,887,975.70-698,916.60

Finding the Fourth Proportional to 2,591,983.80, 3,887,975.70 and 698,916.60

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Solution

The fourth proportional to 2,591,983.80, 3,887,975.70 and 698,916.60 is: 1,048,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,983.80 : 3,887,975.70 = 698,916.60 : x
  2. Step 2: Convert to fraction form
    2,591,983.80/3,887,975.70 = 698,916.60/x
  3. Step 3: Cross multiply
    2,591,983.80x = 3,887,975.70 × 698,916.60
  4. Step 4: Simplify right side
    2,591,983.80x = 2,717,370,757,126.62
  5. Step 5: Solve for x
    x = 2,717,370,757,126.62/2,591,983.80
  6. Step 6: Final answer
    x = 1,048,374.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.