Home / 3,290,351.60-4,540,600.57-1,820,315.47

Finding the Fourth Proportional to 3,290,351.60, 4,540,600.57 and 1,820,315.47

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Solution

The fourth proportional to 3,290,351.60, 4,540,600.57 and 1,820,315.47 is: 2,511,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,351.60 : 4,540,600.57 = 1,820,315.47 : x
  2. Step 2: Convert to fraction form
    3,290,351.60/4,540,600.57 = 1,820,315.47/x
  3. Step 3: Cross multiply
    3,290,351.60x = 4,540,600.57 × 1,820,315.47
  4. Step 4: Simplify right side
    3,290,351.60x = 8,265,325,460,661.82
  5. Step 5: Solve for x
    x = 8,265,325,460,661.82/3,290,351.60
  6. Step 6: Final answer
    x = 2,511,988.52

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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.