Home / 1,811,186.10-2,714,446.35-1,388,366.10

Finding the Fourth Proportional to 1,811,186.10, 2,714,446.35 and 1,388,366.10

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Solution

The fourth proportional to 1,811,186.10, 2,714,446.35 and 1,388,366.10 is: 2,080,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,186.10 : 2,714,446.35 = 1,388,366.10 : x
  2. Step 2: Convert to fraction form
    1,811,186.10/2,714,446.35 = 1,388,366.10/x
  3. Step 3: Cross multiply
    1,811,186.10x = 2,714,446.35 × 1,388,366.10
  4. Step 4: Simplify right side
    1,811,186.10x = 3,768,645,292,608.74
  5. Step 5: Solve for x
    x = 3,768,645,292,608.74/1,811,186.10
  6. Step 6: Final answer
    x = 2,080,760.94

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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.