Home / 1,667,985.41-2,301,936.87-942,839.09

Finding the Fourth Proportional to 1,667,985.41, 2,301,936.87 and 942,839.09

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Solution

The fourth proportional to 1,667,985.41, 2,301,936.87 and 942,839.09 is: 1,301,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,985.41 : 2,301,936.87 = 942,839.09 : x
  2. Step 2: Convert to fraction form
    1,667,985.41/2,301,936.87 = 942,839.09/x
  3. Step 3: Cross multiply
    1,667,985.41x = 2,301,936.87 × 942,839.09
  4. Step 4: Simplify right side
    1,667,985.41x = 2,170,356,064,406.47
  5. Step 5: Solve for x
    x = 2,170,356,064,406.47/1,667,985.41
  6. Step 6: Final answer
    x = 1,301,184.08

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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.