Home / 6,513,589.86-8,989,832.08-3,613,914.91

Finding the Fourth Proportional to 6,513,589.86, 8,989,832.08 and 3,613,914.91

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Solution

The fourth proportional to 6,513,589.86, 8,989,832.08 and 3,613,914.91 is: 4,987,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,589.86 : 8,989,832.08 = 3,613,914.91 : x
  2. Step 2: Convert to fraction form
    6,513,589.86/8,989,832.08 = 3,613,914.91/x
  3. Step 3: Cross multiply
    6,513,589.86x = 8,989,832.08 × 3,613,914.91
  4. Step 4: Simplify right side
    6,513,589.86x = 32,488,488,182,779.09
  5. Step 5: Solve for x
    x = 32,488,488,182,779.09/6,513,589.86
  6. Step 6: Final answer
    x = 4,987,800.71

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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.