Home / 2,921,833.81-4,032,531.12-1,681,418.62

Finding the Fourth Proportional to 2,921,833.81, 4,032,531.12 and 1,681,418.62

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Solution

The fourth proportional to 2,921,833.81, 4,032,531.12 and 1,681,418.62 is: 2,320,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,833.81 : 4,032,531.12 = 1,681,418.62 : x
  2. Step 2: Convert to fraction form
    2,921,833.81/4,032,531.12 = 1,681,418.62/x
  3. Step 3: Cross multiply
    2,921,833.81x = 4,032,531.12 × 1,681,418.62
  4. Step 4: Simplify right side
    2,921,833.81x = 6,780,372,910,897.46
  5. Step 5: Solve for x
    x = 6,780,372,910,897.46/2,921,833.81
  6. Step 6: Final answer
    x = 2,320,588.15

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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.