Home / 2,612,972.72-3,919,457.58-816,010.16

Finding the Fourth Proportional to 2,612,972.72, 3,919,457.58 and 816,010.16

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Solution

The fourth proportional to 2,612,972.72, 3,919,457.58 and 816,010.16 is: 1,224,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612,972.72 : 3,919,457.58 = 816,010.16 : x
  2. Step 2: Convert to fraction form
    2,612,972.72/3,919,457.58 = 816,010.16/x
  3. Step 3: Cross multiply
    2,612,972.72x = 3,919,457.58 × 816,010.16
  4. Step 4: Simplify right side
    2,612,972.72x = 3,198,317,206,969.01
  5. Step 5: Solve for x
    x = 3,198,317,206,969.01/2,612,972.72
  6. Step 6: Final answer
    x = 1,224,014.77

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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.