Home / 2,767,181.60-4,153,882.80-2,138,880.80

Finding the Fourth Proportional to 2,767,181.60, 4,153,882.80 and 2,138,880.80

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Solution

The fourth proportional to 2,767,181.60, 4,153,882.80 and 2,138,880.80 is: 3,210,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,181.60 : 4,153,882.80 = 2,138,880.80 : x
  2. Step 2: Convert to fraction form
    2,767,181.60/4,153,882.80 = 2,138,880.80/x
  3. Step 3: Cross multiply
    2,767,181.60x = 4,153,882.80 × 2,138,880.80
  4. Step 4: Simplify right side
    2,767,181.60x = 8,884,660,166,370.24
  5. Step 5: Solve for x
    x = 8,884,660,166,370.24/2,767,181.60
  6. Step 6: Final answer
    x = 3,210,725.37

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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.