Home / 3,320,145.60-4,980,801.60-1,191,465.60

Finding the Fourth Proportional to 3,320,145.60, 4,980,801.60 and 1,191,465.60

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Solution

The fourth proportional to 3,320,145.60, 4,980,801.60 and 1,191,465.60 is: 1,787,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,145.60 : 4,980,801.60 = 1,191,465.60 : x
  2. Step 2: Convert to fraction form
    3,320,145.60/4,980,801.60 = 1,191,465.60/x
  3. Step 3: Cross multiply
    3,320,145.60x = 4,980,801.60 × 1,191,465.60
  4. Step 4: Simplify right side
    3,320,145.60x = 5,934,453,766,824.96
  5. Step 5: Solve for x
    x = 5,934,453,766,824.96/3,320,145.60
  6. Step 6: Final answer
    x = 1,787,407.69

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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.