Home / 3,448,683.60-5,173,025.40-1,318,837.20

Finding the Fourth Proportional to 3,448,683.60, 5,173,025.40 and 1,318,837.20

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Solution

The fourth proportional to 3,448,683.60, 5,173,025.40 and 1,318,837.20 is: 1,978,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,683.60 : 5,173,025.40 = 1,318,837.20 : x
  2. Step 2: Convert to fraction form
    3,448,683.60/5,173,025.40 = 1,318,837.20/x
  3. Step 3: Cross multiply
    3,448,683.60x = 5,173,025.40 × 1,318,837.20
  4. Step 4: Simplify right side
    3,448,683.60x = 6,822,378,334,064.88
  5. Step 5: Solve for x
    x = 6,822,378,334,064.88/3,448,683.60
  6. Step 6: Final answer
    x = 1,978,255.80

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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.