Home / 3,122,709.20-4,684,063.80-2,413,246.40

Finding the Fourth Proportional to 3,122,709.20, 4,684,063.80 and 2,413,246.40

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Solution

The fourth proportional to 3,122,709.20, 4,684,063.80 and 2,413,246.40 is: 3,619,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,709.20 : 4,684,063.80 = 2,413,246.40 : x
  2. Step 2: Convert to fraction form
    3,122,709.20/4,684,063.80 = 2,413,246.40/x
  3. Step 3: Cross multiply
    3,122,709.20x = 4,684,063.80 × 2,413,246.40
  4. Step 4: Simplify right side
    3,122,709.20x = 11,303,800,102,720.32
  5. Step 5: Solve for x
    x = 11,303,800,102,720.32/3,122,709.20
  6. Step 6: Final answer
    x = 3,619,869.60

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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.