Home / 2,020,692.78-3,028,414.77-821,219.28

Finding the Fourth Proportional to 2,020,692.78, 3,028,414.77 and 821,219.28

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Solution

The fourth proportional to 2,020,692.78, 3,028,414.77 and 821,219.28 is: 1,230,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,692.78 : 3,028,414.77 = 821,219.28 : x
  2. Step 2: Convert to fraction form
    2,020,692.78/3,028,414.77 = 821,219.28/x
  3. Step 3: Cross multiply
    2,020,692.78x = 3,028,414.77 × 821,219.28
  4. Step 4: Simplify right side
    2,020,692.78x = 2,486,992,596,960.77
  5. Step 5: Solve for x
    x = 2,486,992,596,960.77/2,020,692.78
  6. Step 6: Final answer
    x = 1,230,762.35

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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.