Home / 3,385,161.22-5,077,774.65-860,816.47

Finding the Fourth Proportional to 3,385,161.22, 5,077,774.65 and 860,816.47

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Solution

The fourth proportional to 3,385,161.22, 5,077,774.65 and 860,816.47 is: 1,291,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385,161.22 : 5,077,774.65 = 860,816.47 : x
  2. Step 2: Convert to fraction form
    3,385,161.22/5,077,774.65 = 860,816.47/x
  3. Step 3: Cross multiply
    3,385,161.22x = 5,077,774.65 × 860,816.47
  4. Step 4: Simplify right side
    3,385,161.22x = 4,371,032,049,668.49
  5. Step 5: Solve for x
    x = 4,371,032,049,668.49/3,385,161.22
  6. Step 6: Final answer
    x = 1,291,233.05

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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.