Home / 2,099,136.20-3,144,038.70-1,819,200.20

Finding the Fourth Proportional to 2,099,136.20, 3,144,038.70 and 1,819,200.20

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Solution

The fourth proportional to 2,099,136.20, 3,144,038.70 and 1,819,200.20 is: 2,724,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,136.20 : 3,144,038.70 = 1,819,200.20 : x
  2. Step 2: Convert to fraction form
    2,099,136.20/3,144,038.70 = 1,819,200.20/x
  3. Step 3: Cross multiply
    2,099,136.20x = 3,144,038.70 × 1,819,200.20
  4. Step 4: Simplify right side
    2,099,136.20x = 5,719,635,831,847.74
  5. Step 5: Solve for x
    x = 5,719,635,831,847.74/2,099,136.20
  6. Step 6: Final answer
    x = 2,724,756.89

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1.5x scale

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.