Home / 3,181,476.11-4,390,400.09-1,731,146.54

Finding the Fourth Proportional to 3,181,476.11, 4,390,400.09 and 1,731,146.54

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Solution

The fourth proportional to 3,181,476.11, 4,390,400.09 and 1,731,146.54 is: 2,388,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,476.11 : 4,390,400.09 = 1,731,146.54 : x
  2. Step 2: Convert to fraction form
    3,181,476.11/4,390,400.09 = 1,731,146.54/x
  3. Step 3: Cross multiply
    3,181,476.11x = 4,390,400.09 × 1,731,146.54
  4. Step 4: Simplify right side
    3,181,476.11x = 7,600,425,907,395.06
  5. Step 5: Solve for x
    x = 7,600,425,907,395.06/3,181,476.11
  6. Step 6: Final answer
    x = 2,388,962.12

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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.