Home / 3,886,072.40-5,816,978.35-2,862,556.55

Finding the Fourth Proportional to 3,886,072.40, 5,816,978.35 and 2,862,556.55

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Solution

The fourth proportional to 3,886,072.40, 5,816,978.35 and 2,862,556.55 is: 4,284,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,072.40 : 5,816,978.35 = 2,862,556.55 : x
  2. Step 2: Convert to fraction form
    3,886,072.40/5,816,978.35 = 2,862,556.55/x
  3. Step 3: Cross multiply
    3,886,072.40x = 5,816,978.35 × 2,862,556.55
  4. Step 4: Simplify right side
    3,886,072.40x = 16,651,429,495,293.58
  5. Step 5: Solve for x
    x = 16,651,429,495,293.58/3,886,072.40
  6. Step 6: Final answer
    x = 4,284,899.45

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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.