Home / 2,021,136.40-3,031,704.60-1,821,846.03

Finding the Fourth Proportional to 2,021,136.40, 3,031,704.60 and 1,821,846.03

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Solution

The fourth proportional to 2,021,136.40, 3,031,704.60 and 1,821,846.03 is: 2,732,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,136.40 : 3,031,704.60 = 1,821,846.03 : x
  2. Step 2: Convert to fraction form
    2,021,136.40/3,031,704.60 = 1,821,846.03/x
  3. Step 3: Cross multiply
    2,021,136.40x = 3,031,704.60 × 1,821,846.03
  4. Step 4: Simplify right side
    2,021,136.40x = 5,523,298,989,642.74
  5. Step 5: Solve for x
    x = 5,523,298,989,642.74/2,021,136.40
  6. Step 6: Final answer
    x = 2,732,769.05

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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.