Home / 3,066,991.68-4,232,275.83-1,690,331.12

Finding the Fourth Proportional to 3,066,991.68, 4,232,275.83 and 1,690,331.12

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Solution

The fourth proportional to 3,066,991.68, 4,232,275.83 and 1,690,331.12 is: 2,332,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,991.68 : 4,232,275.83 = 1,690,331.12 : x
  2. Step 2: Convert to fraction form
    3,066,991.68/4,232,275.83 = 1,690,331.12/x
  3. Step 3: Cross multiply
    3,066,991.68x = 4,232,275.83 × 1,690,331.12
  4. Step 4: Simplify right side
    3,066,991.68x = 7,153,947,543,872.83
  5. Step 5: Solve for x
    x = 7,153,947,543,872.83/3,066,991.68
  6. Step 6: Final answer
    x = 2,332,561.77

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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.