Home / 2,112,129.20-3,168,193.80-1,763,764.40

Finding the Fourth Proportional to 2,112,129.20, 3,168,193.80 and 1,763,764.40

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Solution

The fourth proportional to 2,112,129.20, 3,168,193.80 and 1,763,764.40 is: 2,645,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,129.20 : 3,168,193.80 = 1,763,764.40 : x
  2. Step 2: Convert to fraction form
    2,112,129.20/3,168,193.80 = 1,763,764.40/x
  3. Step 3: Cross multiply
    2,112,129.20x = 3,168,193.80 × 1,763,764.40
  4. Step 4: Simplify right side
    2,112,129.20x = 5,587,947,436,740.72
  5. Step 5: Solve for x
    x = 5,587,947,436,740.72/2,112,129.20
  6. Step 6: Final answer
    x = 2,645,646.60

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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.