Home / 3,318,605.20-4,580,111.90-1,868,583.19

Finding the Fourth Proportional to 3,318,605.20, 4,580,111.90 and 1,868,583.19

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Solution

The fourth proportional to 3,318,605.20, 4,580,111.90 and 1,868,583.19 is: 2,578,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,605.20 : 4,580,111.90 = 1,868,583.19 : x
  2. Step 2: Convert to fraction form
    3,318,605.20/4,580,111.90 = 1,868,583.19/x
  3. Step 3: Cross multiply
    3,318,605.20x = 4,580,111.90 × 1,868,583.19
  4. Step 4: Simplify right side
    3,318,605.20x = 8,558,320,104,658.96
  5. Step 5: Solve for x
    x = 8,558,320,104,658.96/3,318,605.20
  6. Step 6: Final answer
    x = 2,578,890.71

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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.