Home / 3,121,229.69-4,681,844.53-877,367.69

Finding the Fourth Proportional to 3,121,229.69, 4,681,844.53 and 877,367.69

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Solution

The fourth proportional to 3,121,229.69, 4,681,844.53 and 877,367.69 is: 1,316,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,229.69 : 4,681,844.53 = 877,367.69 : x
  2. Step 2: Convert to fraction form
    3,121,229.69/4,681,844.53 = 877,367.69/x
  3. Step 3: Cross multiply
    3,121,229.69x = 4,681,844.53 × 877,367.69
  4. Step 4: Simplify right side
    3,121,229.69x = 4,107,699,120,225.24
  5. Step 5: Solve for x
    x = 4,107,699,120,225.24/3,121,229.69
  6. Step 6: Final answer
    x = 1,316,051.53

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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.