Home / 3,181,671-4,390,804.79-1,805,072.69

Finding the Fourth Proportional to 3,181,671, 4,390,804.79 and 1,805,072.69

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Solution

The fourth proportional to 3,181,671, 4,390,804.79 and 1,805,072.69 is: 2,491,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,671 : 4,390,804.79 = 1,805,072.69 : x
  2. Step 2: Convert to fraction form
    3,181,671/4,390,804.79 = 1,805,072.69/x
  3. Step 3: Cross multiply
    3,181,671x = 4,390,804.79 × 1,805,072.69
  4. Step 4: Simplify right side
    3,181,671x = 7,925,721,782,570.80
  5. Step 5: Solve for x
    x = 7,925,721,782,570.80/3,181,671
  6. Step 6: Final answer
    x = 2,491,056.36

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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.