Home / 2,588,404.20-3,882,606.30-1,328,692.20

Finding the Fourth Proportional to 2,588,404.20, 3,882,606.30 and 1,328,692.20

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Solution

The fourth proportional to 2,588,404.20, 3,882,606.30 and 1,328,692.20 is: 1,993,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,404.20 : 3,882,606.30 = 1,328,692.20 : x
  2. Step 2: Convert to fraction form
    2,588,404.20/3,882,606.30 = 1,328,692.20/x
  3. Step 3: Cross multiply
    2,588,404.20x = 3,882,606.30 × 1,328,692.20
  4. Step 4: Simplify right side
    2,588,404.20x = 5,158,788,706,480.86
  5. Step 5: Solve for x
    x = 5,158,788,706,480.86/2,588,404.20
  6. Step 6: Final answer
    x = 1,993,038.30

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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.