Home / 3,172,056.62-4,377,368.67-1,721,754.86

Finding the Fourth Proportional to 3,172,056.62, 4,377,368.67 and 1,721,754.86

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Solution

The fourth proportional to 3,172,056.62, 4,377,368.67 and 1,721,754.86 is: 2,375,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,056.62 : 4,377,368.67 = 1,721,754.86 : x
  2. Step 2: Convert to fraction form
    3,172,056.62/4,377,368.67 = 1,721,754.86/x
  3. Step 3: Cross multiply
    3,172,056.62x = 4,377,368.67 × 1,721,754.86
  4. Step 4: Simplify right side
    3,172,056.62x = 7,536,755,781,584.24
  5. Step 5: Solve for x
    x = 7,536,755,781,584.24/3,172,056.62
  6. Step 6: Final answer
    x = 2,375,984.00

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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.