Home / 2,128,677.48-3,193,436.85-780,852.60

Finding the Fourth Proportional to 2,128,677.48, 3,193,436.85 and 780,852.60

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Solution

The fourth proportional to 2,128,677.48, 3,193,436.85 and 780,852.60 is: 1,171,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,677.48 : 3,193,436.85 = 780,852.60 : x
  2. Step 2: Convert to fraction form
    2,128,677.48/3,193,436.85 = 780,852.60/x
  3. Step 3: Cross multiply
    2,128,677.48x = 3,193,436.85 × 780,852.60
  4. Step 4: Simplify right side
    2,128,677.48x = 2,493,603,467,258.31
  5. Step 5: Solve for x
    x = 2,493,603,467,258.31/2,128,677.48
  6. Step 6: Final answer
    x = 1,171,433.20

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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.