Home / 3,172,009.48-4,377,377.51-1,721,705.21

Finding the Fourth Proportional to 3,172,009.48, 4,377,377.51 and 1,721,705.21

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Solution

The fourth proportional to 3,172,009.48, 4,377,377.51 and 1,721,705.21 is: 2,375,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,009.48 : 4,377,377.51 = 1,721,705.21 : x
  2. Step 2: Convert to fraction form
    3,172,009.48/4,377,377.51 = 1,721,705.21/x
  3. Step 3: Cross multiply
    3,172,009.48x = 4,377,377.51 × 1,721,705.21
  4. Step 4: Simplify right side
    3,172,009.48x = 7,536,553,656,495.30
  5. Step 5: Solve for x
    x = 7,536,553,656,495.30/3,172,009.48
  6. Step 6: Final answer
    x = 2,375,955.59

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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.