Home / 2,021,809.70-2,790,102.20-1,104,040.62

Finding the Fourth Proportional to 2,021,809.70, 2,790,102.20 and 1,104,040.62

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Solution

The fourth proportional to 2,021,809.70, 2,790,102.20 and 1,104,040.62 is: 1,523,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,809.70 : 2,790,102.20 = 1,104,040.62 : x
  2. Step 2: Convert to fraction form
    2,021,809.70/2,790,102.20 = 1,104,040.62/x
  3. Step 3: Cross multiply
    2,021,809.70x = 2,790,102.20 × 1,104,040.62
  4. Step 4: Simplify right side
    2,021,809.70x = 3,080,386,157,231.16
  5. Step 5: Solve for x
    x = 3,080,386,157,231.16/2,021,809.70
  6. Step 6: Final answer
    x = 1,523,578.68

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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.