Home / 2,809,690.76-3,877,380.12-1,520,540.51

Finding the Fourth Proportional to 2,809,690.76, 3,877,380.12 and 1,520,540.51

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Solution

The fourth proportional to 2,809,690.76, 3,877,380.12 and 1,520,540.51 is: 2,098,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,690.76 : 3,877,380.12 = 1,520,540.51 : x
  2. Step 2: Convert to fraction form
    2,809,690.76/3,877,380.12 = 1,520,540.51/x
  3. Step 3: Cross multiply
    2,809,690.76x = 3,877,380.12 × 1,520,540.51
  4. Step 4: Simplify right side
    2,809,690.76x = 5,895,713,545,128.66
  5. Step 5: Solve for x
    x = 5,895,713,545,128.66/2,809,690.76
  6. Step 6: Final answer
    x = 2,098,349.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.