Home / 3,168,643.88-4,372,729.68-1,718,338.88

Finding the Fourth Proportional to 3,168,643.88, 4,372,729.68 and 1,718,338.88

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Solution

The fourth proportional to 3,168,643.88, 4,372,729.68 and 1,718,338.88 is: 2,371,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,643.88 : 4,372,729.68 = 1,718,338.88 : x
  2. Step 2: Convert to fraction form
    3,168,643.88/4,372,729.68 = 1,718,338.88/x
  3. Step 3: Cross multiply
    3,168,643.88x = 4,372,729.68 × 1,718,338.88
  4. Step 4: Simplify right side
    3,168,643.88x = 7,513,831,420,873.96
  5. Step 5: Solve for x
    x = 7,513,831,420,873.96/3,168,643.88
  6. Step 6: Final answer
    x = 2,371,308.26

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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.