Home / 2,759,894.40-4,139,841.60-1,245,287.55

Finding the Fourth Proportional to 2,759,894.40, 4,139,841.60 and 1,245,287.55

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Solution

The fourth proportional to 2,759,894.40, 4,139,841.60 and 1,245,287.55 is: 1,867,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,894.40 : 4,139,841.60 = 1,245,287.55 : x
  2. Step 2: Convert to fraction form
    2,759,894.40/4,139,841.60 = 1,245,287.55/x
  3. Step 3: Cross multiply
    2,759,894.40x = 4,139,841.60 × 1,245,287.55
  4. Step 4: Simplify right side
    2,759,894.40x = 5,155,293,203,452.08
  5. Step 5: Solve for x
    x = 5,155,293,203,452.08/2,759,894.40
  6. Step 6: Final answer
    x = 1,867,931.33

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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.