Home / 5,247,123.44-7,240,231.32-2,955,138.80

Finding the Fourth Proportional to 5,247,123.44, 7,240,231.32 and 2,955,138.80

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Solution

The fourth proportional to 5,247,123.44, 7,240,231.32 and 2,955,138.80 is: 4,077,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247,123.44 : 7,240,231.32 = 2,955,138.80 : x
  2. Step 2: Convert to fraction form
    5,247,123.44/7,240,231.32 = 2,955,138.80/x
  3. Step 3: Cross multiply
    5,247,123.44x = 7,240,231.32 × 2,955,138.80
  4. Step 4: Simplify right side
    5,247,123.44x = 21,395,888,494,707.21
  5. Step 5: Solve for x
    x = 21,395,888,494,707.21/5,247,123.44
  6. Step 6: Final answer
    x = 4,077,641.54

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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.