Home / 1,590,462.20-2,384,138.10-1,422,500.60

Finding the Fourth Proportional to 1,590,462.20, 2,384,138.10 and 1,422,500.60

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Solution

The fourth proportional to 1,590,462.20, 2,384,138.10 and 1,422,500.60 is: 2,132,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,462.20 : 2,384,138.10 = 1,422,500.60 : x
  2. Step 2: Convert to fraction form
    1,590,462.20/2,384,138.10 = 1,422,500.60/x
  3. Step 3: Cross multiply
    1,590,462.20x = 2,384,138.10 × 1,422,500.60
  4. Step 4: Simplify right side
    1,590,462.20x = 3,391,437,877,732.86
  5. Step 5: Solve for x
    x = 3,391,437,877,732.86/1,590,462.20
  6. Step 6: Final answer
    x = 2,132,359.94

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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.