Home / 5,145,260.80-7,099,994.64-2,853,414.40

Finding the Fourth Proportional to 5,145,260.80, 7,099,994.64 and 2,853,414.40

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Solution

The fourth proportional to 5,145,260.80, 7,099,994.64 and 2,853,414.40 is: 3,937,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145,260.80 : 7,099,994.64 = 2,853,414.40 : x
  2. Step 2: Convert to fraction form
    5,145,260.80/7,099,994.64 = 2,853,414.40/x
  3. Step 3: Cross multiply
    5,145,260.80x = 7,099,994.64 × 2,853,414.40
  4. Step 4: Simplify right side
    5,145,260.80x = 20,259,226,945,698.81
  5. Step 5: Solve for x
    x = 20,259,226,945,698.81/5,145,260.80
  6. Step 6: Final answer
    x = 3,937,453.85

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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.