Home / 2,775,583.52-4,160,314.40-1,815,640.64

Finding the Fourth Proportional to 2,775,583.52, 4,160,314.40 and 1,815,640.64

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Solution

The fourth proportional to 2,775,583.52, 4,160,314.40 and 1,815,640.64 is: 2,721,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,583.52 : 4,160,314.40 = 1,815,640.64 : x
  2. Step 2: Convert to fraction form
    2,775,583.52/4,160,314.40 = 1,815,640.64/x
  3. Step 3: Cross multiply
    2,775,583.52x = 4,160,314.40 × 1,815,640.64
  4. Step 4: Simplify right side
    2,775,583.52x = 7,553,635,899,817.22
  5. Step 5: Solve for x
    x = 7,553,635,899,817.22/2,775,583.52
  6. Step 6: Final answer
    x = 2,721,458.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.