Home / 3,580,129.53-4,940,578.80-1,948,548.69

Finding the Fourth Proportional to 3,580,129.53, 4,940,578.80 and 1,948,548.69

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Solution

The fourth proportional to 3,580,129.53, 4,940,578.80 and 1,948,548.69 is: 2,688,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,129.53 : 4,940,578.80 = 1,948,548.69 : x
  2. Step 2: Convert to fraction form
    3,580,129.53/4,940,578.80 = 1,948,548.69/x
  3. Step 3: Cross multiply
    3,580,129.53x = 4,940,578.80 × 1,948,548.69
  4. Step 4: Simplify right side
    3,580,129.53x = 9,626,958,348,581.77
  5. Step 5: Solve for x
    x = 9,626,958,348,581.77/3,580,129.53
  6. Step 6: Final answer
    x = 2,688,997.22

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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.