Home / 3,488,884.92-4,814,718-1,919,078.79

Finding the Fourth Proportional to 3,488,884.92, 4,814,718 and 1,919,078.79

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Solution

The fourth proportional to 3,488,884.92, 4,814,718 and 1,919,078.79 is: 2,648,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488,884.92 : 4,814,718 = 1,919,078.79 : x
  2. Step 2: Convert to fraction form
    3,488,884.92/4,814,718 = 1,919,078.79/x
  3. Step 3: Cross multiply
    3,488,884.92x = 4,814,718 × 1,919,078.79
  4. Step 4: Simplify right side
    3,488,884.92x = 9,239,823,193,631.22
  5. Step 5: Solve for x
    x = 9,239,823,193,631.22/3,488,884.92
  6. Step 6: Final answer
    x = 2,648,359.98

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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.