Home / 3,898,352.16-5,379,452.87-2,266,643.75

Finding the Fourth Proportional to 3,898,352.16, 5,379,452.87 and 2,266,643.75

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Solution

The fourth proportional to 3,898,352.16, 5,379,452.87 and 2,266,643.75 is: 3,127,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,352.16 : 5,379,452.87 = 2,266,643.75 : x
  2. Step 2: Convert to fraction form
    3,898,352.16/5,379,452.87 = 2,266,643.75/x
  3. Step 3: Cross multiply
    3,898,352.16x = 5,379,452.87 × 2,266,643.75
  4. Step 4: Simplify right side
    3,898,352.16x = 12,193,303,187,974.58
  5. Step 5: Solve for x
    x = 12,193,303,187,974.58/3,898,352.16
  6. Step 6: Final answer
    x = 3,127,809.57

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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.