Home / 1,839,197.50-2,538,443.80-1,217,907.60

Finding the Fourth Proportional to 1,839,197.50, 2,538,443.80 and 1,217,907.60

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Solution

The fourth proportional to 1,839,197.50, 2,538,443.80 and 1,217,907.60 is: 1,680,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,197.50 : 2,538,443.80 = 1,217,907.60 : x
  2. Step 2: Convert to fraction form
    1,839,197.50/2,538,443.80 = 1,217,907.60/x
  3. Step 3: Cross multiply
    1,839,197.50x = 2,538,443.80 × 1,217,907.60
  4. Step 4: Simplify right side
    1,839,197.50x = 3,091,589,996,192.88
  5. Step 5: Solve for x
    x = 3,091,589,996,192.88/1,839,197.50
  6. Step 6: Final answer
    x = 1,680,945.08

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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.