Home / 3,390,518.25-5,085,374.46-1,115,478.45

Finding the Fourth Proportional to 3,390,518.25, 5,085,374.46 and 1,115,478.45

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Solution

The fourth proportional to 3,390,518.25, 5,085,374.46 and 1,115,478.45 is: 1,673,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,518.25 : 5,085,374.46 = 1,115,478.45 : x
  2. Step 2: Convert to fraction form
    3,390,518.25/5,085,374.46 = 1,115,478.45/x
  3. Step 3: Cross multiply
    3,390,518.25x = 5,085,374.46 × 1,115,478.45
  4. Step 4: Simplify right side
    3,390,518.25x = 5,672,625,620,310.39
  5. Step 5: Solve for x
    x = 5,672,625,620,310.39/3,390,518.25
  6. Step 6: Final answer
    x = 1,673,085.12

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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.