Home / 3,411,922.74-5,117,785.57-1,389,666.61

Finding the Fourth Proportional to 3,411,922.74, 5,117,785.57 and 1,389,666.61

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Solution

The fourth proportional to 3,411,922.74, 5,117,785.57 and 1,389,666.61 is: 2,084,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411,922.74 : 5,117,785.57 = 1,389,666.61 : x
  2. Step 2: Convert to fraction form
    3,411,922.74/5,117,785.57 = 1,389,666.61/x
  3. Step 3: Cross multiply
    3,411,922.74x = 5,117,785.57 × 1,389,666.61
  4. Step 4: Simplify right side
    3,411,922.74x = 7,112,015,723,768.82
  5. Step 5: Solve for x
    x = 7,112,015,723,768.82/3,411,922.74
  6. Step 6: Final answer
    x = 2,084,459.78

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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.