Home / 6,911,770.80-10,367,805.72-2,119,354

Finding the Fourth Proportional to 6,911,770.80, 10,367,805.72 and 2,119,354

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Solution

The fourth proportional to 6,911,770.80, 10,367,805.72 and 2,119,354 is: 3,179,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,770.80 : 10,367,805.72 = 2,119,354 : x
  2. Step 2: Convert to fraction form
    6,911,770.80/10,367,805.72 = 2,119,354/x
  3. Step 3: Cross multiply
    6,911,770.80x = 10,367,805.72 × 2,119,354
  4. Step 4: Simplify right side
    6,911,770.80x = 21,973,050,523,904.88
  5. Step 5: Solve for x
    x = 21,973,050,523,904.88/6,911,770.80
  6. Step 6: Final answer
    x = 3,179,076.85

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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.