Home / 3,478,057.29-4,800,294.67-1,929,817.75

Finding the Fourth Proportional to 3,478,057.29, 4,800,294.67 and 1,929,817.75

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Solution

The fourth proportional to 3,478,057.29, 4,800,294.67 and 1,929,817.75 is: 2,663,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,057.29 : 4,800,294.67 = 1,929,817.75 : x
  2. Step 2: Convert to fraction form
    3,478,057.29/4,800,294.67 = 1,929,817.75/x
  3. Step 3: Cross multiply
    3,478,057.29x = 4,800,294.67 × 1,929,817.75
  4. Step 4: Simplify right side
    3,478,057.29x = 9,263,693,874,118.51
  5. Step 5: Solve for x
    x = 9,263,693,874,118.51/3,478,057.29
  6. Step 6: Final answer
    x = 2,663,467.88

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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.