Home / 2,739,397.69-3,780,480.35-1,515,683.39

Finding the Fourth Proportional to 2,739,397.69, 3,780,480.35 and 1,515,683.39

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Solution

The fourth proportional to 2,739,397.69, 3,780,480.35 and 1,515,683.39 is: 2,091,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,397.69 : 3,780,480.35 = 1,515,683.39 : x
  2. Step 2: Convert to fraction form
    2,739,397.69/3,780,480.35 = 1,515,683.39/x
  3. Step 3: Cross multiply
    2,739,397.69x = 3,780,480.35 × 1,515,683.39
  4. Step 4: Simplify right side
    2,739,397.69x = 5,730,011,265,137.97
  5. Step 5: Solve for x
    x = 5,730,011,265,137.97/2,739,397.69
  6. Step 6: Final answer
    x = 2,091,704.79

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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.