Home / 2,142,590.20-2,956,629.81-1,175,782.44

Finding the Fourth Proportional to 2,142,590.20, 2,956,629.81 and 1,175,782.44

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Solution

The fourth proportional to 2,142,590.20, 2,956,629.81 and 1,175,782.44 is: 1,622,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,590.20 : 2,956,629.81 = 1,175,782.44 : x
  2. Step 2: Convert to fraction form
    2,142,590.20/2,956,629.81 = 1,175,782.44/x
  3. Step 3: Cross multiply
    2,142,590.20x = 2,956,629.81 × 1,175,782.44
  4. Step 4: Simplify right side
    2,142,590.20x = 3,476,353,412,178.54
  5. Step 5: Solve for x
    x = 3,476,353,412,178.54/2,142,590.20
  6. Step 6: Final answer
    x = 1,622,500.38

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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.