Home / 3,585,835.20-5,378,752.80-2,629,241.40

Finding the Fourth Proportional to 3,585,835.20, 5,378,752.80 and 2,629,241.40

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Solution

The fourth proportional to 3,585,835.20, 5,378,752.80 and 2,629,241.40 is: 3,943,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,835.20 : 5,378,752.80 = 2,629,241.40 : x
  2. Step 2: Convert to fraction form
    3,585,835.20/5,378,752.80 = 2,629,241.40/x
  3. Step 3: Cross multiply
    3,585,835.20x = 5,378,752.80 × 2,629,241.40
  4. Step 4: Simplify right side
    3,585,835.20x = 14,142,039,542,125.92
  5. Step 5: Solve for x
    x = 14,142,039,542,125.92/3,585,835.20
  6. Step 6: Final answer
    x = 3,943,862.10

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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.