Home / 3,181,475.94-4,390,399.88-1,731,146.39

Finding the Fourth Proportional to 3,181,475.94, 4,390,399.88 and 1,731,146.39

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Solution

The fourth proportional to 3,181,475.94, 4,390,399.88 and 1,731,146.39 is: 2,388,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,475.94 : 4,390,399.88 = 1,731,146.39 : x
  2. Step 2: Convert to fraction form
    3,181,475.94/4,390,399.88 = 1,731,146.39/x
  3. Step 3: Cross multiply
    3,181,475.94x = 4,390,399.88 × 1,731,146.39
  4. Step 4: Simplify right side
    3,181,475.94x = 7,600,424,902,918.43
  5. Step 5: Solve for x
    x = 7,600,424,902,918.43/3,181,475.94
  6. Step 6: Final answer
    x = 2,388,961.93

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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.