Home / 2,580,338.36-3,870,560.85-938,959.32

Finding the Fourth Proportional to 2,580,338.36, 3,870,560.85 and 938,959.32

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Solution

The fourth proportional to 2,580,338.36, 3,870,560.85 and 938,959.32 is: 1,408,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,338.36 : 3,870,560.85 = 938,959.32 : x
  2. Step 2: Convert to fraction form
    2,580,338.36/3,870,560.85 = 938,959.32/x
  3. Step 3: Cross multiply
    2,580,338.36x = 3,870,560.85 × 938,959.32
  4. Step 4: Simplify right side
    2,580,338.36x = 3,634,299,183,734.62
  5. Step 5: Solve for x
    x = 3,634,299,183,734.62/2,580,338.36
  6. Step 6: Final answer
    x = 1,408,458.38

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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.