Home / 2,948,973.81-4,067,487.57-1,968,418.46

Finding the Fourth Proportional to 2,948,973.81, 4,067,487.57 and 1,968,418.46

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Solution

The fourth proportional to 2,948,973.81, 4,067,487.57 and 1,968,418.46 is: 2,715,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,973.81 : 4,067,487.57 = 1,968,418.46 : x
  2. Step 2: Convert to fraction form
    2,948,973.81/4,067,487.57 = 1,968,418.46/x
  3. Step 3: Cross multiply
    2,948,973.81x = 4,067,487.57 × 1,968,418.46
  4. Step 4: Simplify right side
    2,948,973.81x = 8,006,517,598,271.11
  5. Step 5: Solve for x
    x = 8,006,517,598,271.11/2,948,973.81
  6. Step 6: Final answer
    x = 2,715,018.21

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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.