Home / 3,779,720.91-5,672,238.18-3,418,341.03

Finding the Fourth Proportional to 3,779,720.91, 5,672,238.18 and 3,418,341.03

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Solution

The fourth proportional to 3,779,720.91, 5,672,238.18 and 3,418,341.03 is: 5,129,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,720.91 : 5,672,238.18 = 3,418,341.03 : x
  2. Step 2: Convert to fraction form
    3,779,720.91/5,672,238.18 = 3,418,341.03/x
  3. Step 3: Cross multiply
    3,779,720.91x = 5,672,238.18 × 3,418,341.03
  4. Step 4: Simplify right side
    3,779,720.91x = 19,389,644,502,626.52
  5. Step 5: Solve for x
    x = 19,389,644,502,626.52/3,779,720.91
  6. Step 6: Final answer
    x = 5,129,914.34

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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.