Home / 1,839,201.50-2,538,449.32-1,217,911.60

Finding the Fourth Proportional to 1,839,201.50, 2,538,449.32 and 1,217,911.60

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Solution

The fourth proportional to 1,839,201.50, 2,538,449.32 and 1,217,911.60 is: 1,680,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,201.50 : 2,538,449.32 = 1,217,911.60 : x
  2. Step 2: Convert to fraction form
    1,839,201.50/2,538,449.32 = 1,217,911.60/x
  3. Step 3: Cross multiply
    1,839,201.50x = 2,538,449.32 × 1,217,911.60
  4. Step 4: Simplify right side
    1,839,201.50x = 3,091,606,872,840.11
  5. Step 5: Solve for x
    x = 3,091,606,872,840.11/1,839,201.50
  6. Step 6: Final answer
    x = 1,680,950.60

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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.