Home / 3,477,819.60-5,216,729.40-1,081,815.60

Finding the Fourth Proportional to 3,477,819.60, 5,216,729.40 and 1,081,815.60

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Solution

The fourth proportional to 3,477,819.60, 5,216,729.40 and 1,081,815.60 is: 1,622,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,819.60 : 5,216,729.40 = 1,081,815.60 : x
  2. Step 2: Convert to fraction form
    3,477,819.60/5,216,729.40 = 1,081,815.60/x
  3. Step 3: Cross multiply
    3,477,819.60x = 5,216,729.40 × 1,081,815.60
  4. Step 4: Simplify right side
    3,477,819.60x = 5,643,539,245,898.64
  5. Step 5: Solve for x
    x = 5,643,539,245,898.64/3,477,819.60
  6. Step 6: Final answer
    x = 1,622,723.40

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Similar ratio
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1.5x scale

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.