Home / 2,979,636.36-4,111,613.64-1,672,589.19

Finding the Fourth Proportional to 2,979,636.36, 4,111,613.64 and 1,672,589.19

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Solution

The fourth proportional to 2,979,636.36, 4,111,613.64 and 1,672,589.19 is: 2,308,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,636.36 : 4,111,613.64 = 1,672,589.19 : x
  2. Step 2: Convert to fraction form
    2,979,636.36/4,111,613.64 = 1,672,589.19/x
  3. Step 3: Cross multiply
    2,979,636.36x = 4,111,613.64 × 1,672,589.19
  4. Step 4: Simplify right side
    2,979,636.36x = 6,877,040,527,720.55
  5. Step 5: Solve for x
    x = 6,877,040,527,720.55/2,979,636.36
  6. Step 6: Final answer
    x = 2,308,013.36

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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.