Home / 2,020,688.28-3,028,408.02-821,214.78

Finding the Fourth Proportional to 2,020,688.28, 3,028,408.02 and 821,214.78

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Solution

The fourth proportional to 2,020,688.28, 3,028,408.02 and 821,214.78 is: 1,230,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,688.28 : 3,028,408.02 = 821,214.78 : x
  2. Step 2: Convert to fraction form
    2,020,688.28/3,028,408.02 = 821,214.78/x
  3. Step 3: Cross multiply
    2,020,688.28x = 3,028,408.02 × 821,214.78
  4. Step 4: Simplify right side
    2,020,688.28x = 2,486,973,425,894.54
  5. Step 5: Solve for x
    x = 2,486,973,425,894.54/2,020,688.28
  6. Step 6: Final answer
    x = 1,230,755.60

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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.