Home / 2,858,897.55-3,945,485.66-1,890,348.15

Finding the Fourth Proportional to 2,858,897.55, 3,945,485.66 and 1,890,348.15

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Solution

The fourth proportional to 2,858,897.55, 3,945,485.66 and 1,890,348.15 is: 2,608,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,897.55 : 3,945,485.66 = 1,890,348.15 : x
  2. Step 2: Convert to fraction form
    2,858,897.55/3,945,485.66 = 1,890,348.15/x
  3. Step 3: Cross multiply
    2,858,897.55x = 3,945,485.66 × 1,890,348.15
  4. Step 4: Simplify right side
    2,858,897.55x = 7,458,341,508,780.79
  5. Step 5: Solve for x
    x = 7,458,341,508,780.79/2,858,897.55
  6. Step 6: Final answer
    x = 2,608,817.34

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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.