Home / 3,362,172.96-4,639,776.24-1,911,868.56

Finding the Fourth Proportional to 3,362,172.96, 4,639,776.24 and 1,911,868.56

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Solution

The fourth proportional to 3,362,172.96, 4,639,776.24 and 1,911,868.56 is: 2,638,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,172.96 : 4,639,776.24 = 1,911,868.56 : x
  2. Step 2: Convert to fraction form
    3,362,172.96/4,639,776.24 = 1,911,868.56/x
  3. Step 3: Cross multiply
    3,362,172.96x = 4,639,776.24 × 1,911,868.56
  4. Step 4: Simplify right side
    3,362,172.96x = 8,870,642,318,691.02
  5. Step 5: Solve for x
    x = 8,870,642,318,691.02/3,362,172.96
  6. Step 6: Final answer
    x = 2,638,365.85

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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.