Home / 3,221,830.63-4,832,636.49-825,698.77

Finding the Fourth Proportional to 3,221,830.63, 4,832,636.49 and 825,698.77

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Solution

The fourth proportional to 3,221,830.63, 4,832,636.49 and 825,698.77 is: 1,238,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,830.63 : 4,832,636.49 = 825,698.77 : x
  2. Step 2: Convert to fraction form
    3,221,830.63/4,832,636.49 = 825,698.77/x
  3. Step 3: Cross multiply
    3,221,830.63x = 4,832,636.49 × 825,698.77
  4. Step 4: Simplify right side
    3,221,830.63x = 3,990,302,005,650.12
  5. Step 5: Solve for x
    x = 3,990,302,005,650.12/3,221,830.63
  6. Step 6: Final answer
    x = 1,238,520.10

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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.