Home / 2,265,021.40-3,401,468.70-1,202,139.40

Finding the Fourth Proportional to 2,265,021.40, 3,401,468.70 and 1,202,139.40

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Solution

The fourth proportional to 2,265,021.40, 3,401,468.70 and 1,202,139.40 is: 1,805,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265,021.40 : 3,401,468.70 = 1,202,139.40 : x
  2. Step 2: Convert to fraction form
    2,265,021.40/3,401,468.70 = 1,202,139.40/x
  3. Step 3: Cross multiply
    2,265,021.40x = 3,401,468.70 × 1,202,139.40
  4. Step 4: Simplify right side
    2,265,021.40x = 4,089,039,542,136.78
  5. Step 5: Solve for x
    x = 4,089,039,542,136.78/2,265,021.40
  6. Step 6: Final answer
    x = 1,805,298.41

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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.