Home / 3,779,629.02-5,218,010.55-2,619,760.86

Finding the Fourth Proportional to 3,779,629.02, 5,218,010.55 and 2,619,760.86

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Solution

The fourth proportional to 3,779,629.02, 5,218,010.55 and 2,619,760.86 is: 3,616,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,629.02 : 5,218,010.55 = 2,619,760.86 : x
  2. Step 2: Convert to fraction form
    3,779,629.02/5,218,010.55 = 2,619,760.86/x
  3. Step 3: Cross multiply
    3,779,629.02x = 5,218,010.55 × 2,619,760.86
  4. Step 4: Simplify right side
    3,779,629.02x = 13,669,939,805,957.07
  5. Step 5: Solve for x
    x = 13,669,939,805,957.07/3,779,629.02
  6. Step 6: Final answer
    x = 3,616,741.15

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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.