Home / 2,280,043.35-3,146,436.36-1,261,455.39

Finding the Fourth Proportional to 2,280,043.35, 3,146,436.36 and 1,261,455.39

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Solution

The fourth proportional to 2,280,043.35, 3,146,436.36 and 1,261,455.39 is: 1,740,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,043.35 : 3,146,436.36 = 1,261,455.39 : x
  2. Step 2: Convert to fraction form
    2,280,043.35/3,146,436.36 = 1,261,455.39/x
  3. Step 3: Cross multiply
    2,280,043.35x = 3,146,436.36 × 1,261,455.39
  4. Step 4: Simplify right side
    2,280,043.35x = 3,969,089,105,613.98
  5. Step 5: Solve for x
    x = 3,969,089,105,613.98/2,280,043.35
  6. Step 6: Final answer
    x = 1,740,795.46

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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.