Home / 3,207,375.23-4,426,177.57-1,918,215.57

Finding the Fourth Proportional to 3,207,375.23, 4,426,177.57 and 1,918,215.57

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Solution

The fourth proportional to 3,207,375.23, 4,426,177.57 and 1,918,215.57 is: 2,647,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,375.23 : 4,426,177.57 = 1,918,215.57 : x
  2. Step 2: Convert to fraction form
    3,207,375.23/4,426,177.57 = 1,918,215.57/x
  3. Step 3: Cross multiply
    3,207,375.23x = 4,426,177.57 × 1,918,215.57
  4. Step 4: Simplify right side
    3,207,375.23x = 8,490,362,742,161.39
  5. Step 5: Solve for x
    x = 8,490,362,742,161.39/3,207,375.23
  6. Step 6: Final answer
    x = 2,647,137.35

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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.