Home / 2,738,864.90-3,779,744.73-1,515,149.30

Finding the Fourth Proportional to 2,738,864.90, 3,779,744.73 and 1,515,149.30

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Solution

The fourth proportional to 2,738,864.90, 3,779,744.73 and 1,515,149.30 is: 2,090,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,864.90 : 3,779,744.73 = 1,515,149.30 : x
  2. Step 2: Convert to fraction form
    2,738,864.90/3,779,744.73 = 1,515,149.30/x
  3. Step 3: Cross multiply
    2,738,864.90x = 3,779,744.73 × 1,515,149.30
  4. Step 4: Simplify right side
    2,738,864.90x = 5,726,877,581,838.19
  5. Step 5: Solve for x
    x = 5,726,877,581,838.19/2,738,864.90
  6. Step 6: Final answer
    x = 2,090,967.53

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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.