Home / 5,411,209.20-8,116,813.80-2,576,857.20

Finding the Fourth Proportional to 5,411,209.20, 8,116,813.80 and 2,576,857.20

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Solution

The fourth proportional to 5,411,209.20, 8,116,813.80 and 2,576,857.20 is: 3,865,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411,209.20 : 8,116,813.80 = 2,576,857.20 : x
  2. Step 2: Convert to fraction form
    5,411,209.20/8,116,813.80 = 2,576,857.20/x
  3. Step 3: Cross multiply
    5,411,209.20x = 8,116,813.80 × 2,576,857.20
  4. Step 4: Simplify right side
    5,411,209.20x = 20,915,870,081,589.36
  5. Step 5: Solve for x
    x = 20,915,870,081,589.36/5,411,209.20
  6. Step 6: Final answer
    x = 3,865,285.80

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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.