Home / 3,420,099.40-4,719,322.26-1,970,264.20

Finding the Fourth Proportional to 3,420,099.40, 4,719,322.26 and 1,970,264.20

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Solution

The fourth proportional to 3,420,099.40, 4,719,322.26 and 1,970,264.20 is: 2,718,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,099.40 : 4,719,322.26 = 1,970,264.20 : x
  2. Step 2: Convert to fraction form
    3,420,099.40/4,719,322.26 = 1,970,264.20/x
  3. Step 3: Cross multiply
    3,420,099.40x = 4,719,322.26 × 1,970,264.20
  4. Step 4: Simplify right side
    3,420,099.40x = 9,298,311,697,141.09
  5. Step 5: Solve for x
    x = 9,298,311,697,141.09/3,420,099.40
  6. Step 6: Final answer
    x = 2,718,725.57

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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.