Home / 2,179,431.77-3,269,114.84-980,507.43

Finding the Fourth Proportional to 2,179,431.77, 3,269,114.84 and 980,507.43

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Solution

The fourth proportional to 2,179,431.77, 3,269,114.84 and 980,507.43 is: 1,470,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,431.77 : 3,269,114.84 = 980,507.43 : x
  2. Step 2: Convert to fraction form
    2,179,431.77/3,269,114.84 = 980,507.43/x
  3. Step 3: Cross multiply
    2,179,431.77x = 3,269,114.84 × 980,507.43
  4. Step 4: Simplify right side
    2,179,431.77x = 3,205,391,392,594.53
  5. Step 5: Solve for x
    x = 3,205,391,392,594.53/2,179,431.77
  6. Step 6: Final answer
    x = 1,470,746.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.