Home / 2,738,812.89-3,779,673.08-1,515,097.31

Finding the Fourth Proportional to 2,738,812.89, 3,779,673.08 and 1,515,097.31

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Solution

The fourth proportional to 2,738,812.89, 3,779,673.08 and 1,515,097.31 is: 2,090,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,812.89 : 3,779,673.08 = 1,515,097.31 : x
  2. Step 2: Convert to fraction form
    2,738,812.89/3,779,673.08 = 1,515,097.31/x
  3. Step 3: Cross multiply
    2,738,812.89x = 3,779,673.08 × 1,515,097.31
  4. Step 4: Simplify right side
    2,738,812.89x = 5,726,572,489,713.56
  5. Step 5: Solve for x
    x = 5,726,572,489,713.56/2,738,812.89
  6. Step 6: Final answer
    x = 2,090,895.84

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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.