Home / 2,081,210.32-3,122,354.12-641,861.92

Finding the Fourth Proportional to 2,081,210.32, 3,122,354.12 and 641,861.92

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Solution

The fourth proportional to 2,081,210.32, 3,122,354.12 and 641,861.92 is: 962,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,210.32 : 3,122,354.12 = 641,861.92 : x
  2. Step 2: Convert to fraction form
    2,081,210.32/3,122,354.12 = 641,861.92/x
  3. Step 3: Cross multiply
    2,081,210.32x = 3,122,354.12 × 641,861.92
  4. Step 4: Simplify right side
    2,081,210.32x = 2,004,120,210,383.11
  5. Step 5: Solve for x
    x = 2,004,120,210,383.11/2,081,210.32
  6. Step 6: Final answer
    x = 962,959.00

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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.