Home / 2,800,666.20-4,191,668.10-2,576,717.40

Finding the Fourth Proportional to 2,800,666.20, 4,191,668.10 and 2,576,717.40

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Solution

The fourth proportional to 2,800,666.20, 4,191,668.10 and 2,576,717.40 is: 3,856,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,666.20 : 4,191,668.10 = 2,576,717.40 : x
  2. Step 2: Convert to fraction form
    2,800,666.20/4,191,668.10 = 2,576,717.40/x
  3. Step 3: Cross multiply
    2,800,666.20x = 4,191,668.10 × 2,576,717.40
  4. Step 4: Simplify right side
    2,800,666.20x = 10,800,744,128,294.94
  5. Step 5: Solve for x
    x = 10,800,744,128,294.94/2,800,666.20
  6. Step 6: Final answer
    x = 3,856,491.05

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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.