Home / 2,014,688.40-3,019,408.20-815,629.20

Finding the Fourth Proportional to 2,014,688.40, 3,019,408.20 and 815,629.20

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Solution

The fourth proportional to 2,014,688.40, 3,019,408.20 and 815,629.20 is: 1,222,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014,688.40 : 3,019,408.20 = 815,629.20 : x
  2. Step 2: Convert to fraction form
    2,014,688.40/3,019,408.20 = 815,629.20/x
  3. Step 3: Cross multiply
    2,014,688.40x = 3,019,408.20 × 815,629.20
  4. Step 4: Simplify right side
    2,014,688.40x = 2,462,717,494,639.44
  5. Step 5: Solve for x
    x = 2,462,717,494,639.44/2,014,688.40
  6. Step 6: Final answer
    x = 1,222,381.33

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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.