Home / 3,169,781.15-4,372,903.83-2,136,911.63

Finding the Fourth Proportional to 3,169,781.15, 4,372,903.83 and 2,136,911.63

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Solution

The fourth proportional to 3,169,781.15, 4,372,903.83 and 2,136,911.63 is: 2,947,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169,781.15 : 4,372,903.83 = 2,136,911.63 : x
  2. Step 2: Convert to fraction form
    3,169,781.15/4,372,903.83 = 2,136,911.63/x
  3. Step 3: Cross multiply
    3,169,781.15x = 4,372,903.83 × 2,136,911.63
  4. Step 4: Simplify right side
    3,169,781.15x = 9,344,509,051,198.54
  5. Step 5: Solve for x
    x = 9,344,509,051,198.54/3,169,781.15
  6. Step 6: Final answer
    x = 2,947,998.18

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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.