Home / 3,000,878.07-4,140,770.97-1,676,138.61

Finding the Fourth Proportional to 3,000,878.07, 4,140,770.97 and 1,676,138.61

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Solution

The fourth proportional to 3,000,878.07, 4,140,770.97 and 1,676,138.61 is: 2,312,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,878.07 : 4,140,770.97 = 1,676,138.61 : x
  2. Step 2: Convert to fraction form
    3,000,878.07/4,140,770.97 = 1,676,138.61/x
  3. Step 3: Cross multiply
    3,000,878.07x = 4,140,770.97 × 1,676,138.61
  4. Step 4: Simplify right side
    3,000,878.07x = 6,940,506,097,984.15
  5. Step 5: Solve for x
    x = 6,940,506,097,984.15/3,000,878.07
  6. Step 6: Final answer
    x = 2,312,825.09

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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.