Home / 3,778,288.16-5,214,039.14-2,146,697.68

Finding the Fourth Proportional to 3,778,288.16, 5,214,039.14 and 2,146,697.68

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Solution

The fourth proportional to 3,778,288.16, 5,214,039.14 and 2,146,697.68 is: 2,962,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,288.16 : 5,214,039.14 = 2,146,697.68 : x
  2. Step 2: Convert to fraction form
    3,778,288.16/5,214,039.14 = 2,146,697.68/x
  3. Step 3: Cross multiply
    3,778,288.16x = 5,214,039.14 × 2,146,697.68
  4. Step 4: Simplify right side
    3,778,288.16x = 11,192,965,725,267.20
  5. Step 5: Solve for x
    x = 11,192,965,725,267.20/3,778,288.16
  6. Step 6: Final answer
    x = 2,962,443.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.