Home / 2,997,920.67-4,137,530.72-1,691,440.89

Finding the Fourth Proportional to 2,997,920.67, 4,137,530.72 and 1,691,440.89

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Solution

The fourth proportional to 2,997,920.67, 4,137,530.72 and 1,691,440.89 is: 2,334,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,920.67 : 4,137,530.72 = 1,691,440.89 : x
  2. Step 2: Convert to fraction form
    2,997,920.67/4,137,530.72 = 1,691,440.89/x
  3. Step 3: Cross multiply
    2,997,920.67x = 4,137,530.72 × 1,691,440.89
  4. Step 4: Simplify right side
    2,997,920.67x = 6,998,388,634,981.94
  5. Step 5: Solve for x
    x = 6,998,388,634,981.94/2,997,920.67
  6. Step 6: Final answer
    x = 2,334,414.22

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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.