Home / 2,121,855.60-3,182,752.20-524,418.82

Finding the Fourth Proportional to 2,121,855.60, 3,182,752.20 and 524,418.82

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Solution

The fourth proportional to 2,121,855.60, 3,182,752.20 and 524,418.82 is: 786,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,855.60 : 3,182,752.20 = 524,418.82 : x
  2. Step 2: Convert to fraction form
    2,121,855.60/3,182,752.20 = 524,418.82/x
  3. Step 3: Cross multiply
    2,121,855.60x = 3,182,752.20 × 524,418.82
  4. Step 4: Simplify right side
    2,121,855.60x = 1,669,095,153,076.40
  5. Step 5: Solve for x
    x = 1,669,095,153,076.40/2,121,855.60
  6. Step 6: Final answer
    x = 786,620.52

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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.