Home / 3,047,391.34-4,205,447.40-1,670,860.78

Finding the Fourth Proportional to 3,047,391.34, 4,205,447.40 and 1,670,860.78

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Solution

The fourth proportional to 3,047,391.34, 4,205,447.40 and 1,670,860.78 is: 2,305,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047,391.34 : 4,205,447.40 = 1,670,860.78 : x
  2. Step 2: Convert to fraction form
    3,047,391.34/4,205,447.40 = 1,670,860.78/x
  3. Step 3: Cross multiply
    3,047,391.34x = 4,205,447.40 × 1,670,860.78
  4. Step 4: Simplify right side
    3,047,391.34x = 7,026,717,123,012.97
  5. Step 5: Solve for x
    x = 7,026,717,123,012.97/3,047,391.34
  6. Step 6: Final answer
    x = 2,305,813.84

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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.