Home / 1,567,927.20-2,164,667.09-987,647.76

Finding the Fourth Proportional to 1,567,927.20, 2,164,667.09 and 987,647.76

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Solution

The fourth proportional to 1,567,927.20, 2,164,667.09 and 987,647.76 is: 1,363,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,927.20 : 2,164,667.09 = 987,647.76 : x
  2. Step 2: Convert to fraction form
    1,567,927.20/2,164,667.09 = 987,647.76/x
  3. Step 3: Cross multiply
    1,567,927.20x = 2,164,667.09 × 987,647.76
  4. Step 4: Simplify right side
    1,567,927.20x = 2,137,928,591,557.85
  5. Step 5: Solve for x
    x = 2,137,928,591,557.85/1,567,927.20
  6. Step 6: Final answer
    x = 1,363,538.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.