Home / 5,291,118.45-7,301,530.62-3,115,753.29

Finding the Fourth Proportional to 5,291,118.45, 7,301,530.62 and 3,115,753.29

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Solution

The fourth proportional to 5,291,118.45, 7,301,530.62 and 3,115,753.29 is: 4,299,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291,118.45 : 7,301,530.62 = 3,115,753.29 : x
  2. Step 2: Convert to fraction form
    5,291,118.45/7,301,530.62 = 3,115,753.29/x
  3. Step 3: Cross multiply
    5,291,118.45x = 7,301,530.62 × 3,115,753.29
  4. Step 4: Simplify right side
    5,291,118.45x = 22,749,768,051,300.74
  5. Step 5: Solve for x
    x = 22,749,768,051,300.74/5,291,118.45
  6. Step 6: Final answer
    x = 4,299,614.21

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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.