Home / 1,936,189.60-2,904,284.40-1,188,656.80

Finding the Fourth Proportional to 1,936,189.60, 2,904,284.40 and 1,188,656.80

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Solution

The fourth proportional to 1,936,189.60, 2,904,284.40 and 1,188,656.80 is: 1,782,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,189.60 : 2,904,284.40 = 1,188,656.80 : x
  2. Step 2: Convert to fraction form
    1,936,189.60/2,904,284.40 = 1,188,656.80/x
  3. Step 3: Cross multiply
    1,936,189.60x = 2,904,284.40 × 1,188,656.80
  4. Step 4: Simplify right side
    1,936,189.60x = 3,452,197,401,193.92
  5. Step 5: Solve for x
    x = 3,452,197,401,193.92/1,936,189.60
  6. Step 6: Final answer
    x = 1,782,985.20

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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.