Home / 3,172,032.84-4,377,409.80-1,721,728.56

Finding the Fourth Proportional to 3,172,032.84, 4,377,409.80 and 1,721,728.56

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Solution

The fourth proportional to 3,172,032.84, 4,377,409.80 and 1,721,728.56 is: 2,375,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,032.84 : 4,377,409.80 = 1,721,728.56 : x
  2. Step 2: Convert to fraction form
    3,172,032.84/4,377,409.80 = 1,721,728.56/x
  3. Step 3: Cross multiply
    3,172,032.84x = 4,377,409.80 × 1,721,728.56
  4. Step 4: Simplify right side
    3,172,032.84x = 7,536,711,471,483.89
  5. Step 5: Solve for x
    x = 7,536,711,471,483.89/3,172,032.84
  6. Step 6: Final answer
    x = 2,375,987.84

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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.