Home / 2,112,339.20-3,168,508.80-1,762,419.20

Finding the Fourth Proportional to 2,112,339.20, 3,168,508.80 and 1,762,419.20

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Solution

The fourth proportional to 2,112,339.20, 3,168,508.80 and 1,762,419.20 is: 2,643,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,339.20 : 3,168,508.80 = 1,762,419.20 : x
  2. Step 2: Convert to fraction form
    2,112,339.20/3,168,508.80 = 1,762,419.20/x
  3. Step 3: Cross multiply
    2,112,339.20x = 3,168,508.80 × 1,762,419.20
  4. Step 4: Simplify right side
    2,112,339.20x = 5,584,240,744,488.96
  5. Step 5: Solve for x
    x = 5,584,240,744,488.96/2,112,339.20
  6. Step 6: Final answer
    x = 2,643,628.80

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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.