Home / 3,815,151.60-5,720,977.80-1,684,138.80

Finding the Fourth Proportional to 3,815,151.60, 5,720,977.80 and 1,684,138.80

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Solution

The fourth proportional to 3,815,151.60, 5,720,977.80 and 1,684,138.80 is: 2,525,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815,151.60 : 5,720,977.80 = 1,684,138.80 : x
  2. Step 2: Convert to fraction form
    3,815,151.60/5,720,977.80 = 1,684,138.80/x
  3. Step 3: Cross multiply
    3,815,151.60x = 5,720,977.80 × 1,684,138.80
  4. Step 4: Simplify right side
    3,815,151.60x = 9,634,920,686,918.64
  5. Step 5: Solve for x
    x = 9,634,920,686,918.64/3,815,151.60
  6. Step 6: Final answer
    x = 2,525,435.87

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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.