Home / 2,938,948.90-4,408,423.35-809,361.70

Finding the Fourth Proportional to 2,938,948.90, 4,408,423.35 and 809,361.70

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Solution

The fourth proportional to 2,938,948.90, 4,408,423.35 and 809,361.70 is: 1,214,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,948.90 : 4,408,423.35 = 809,361.70 : x
  2. Step 2: Convert to fraction form
    2,938,948.90/4,408,423.35 = 809,361.70/x
  3. Step 3: Cross multiply
    2,938,948.90x = 4,408,423.35 × 809,361.70
  4. Step 4: Simplify right side
    2,938,948.90x = 3,568,009,016,875.69
  5. Step 5: Solve for x
    x = 3,568,009,016,875.69/2,938,948.90
  6. Step 6: Final answer
    x = 1,214,042.55

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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.