Home / 3,066,786.05-4,232,193.35-1,690,178.90

Finding the Fourth Proportional to 3,066,786.05, 4,232,193.35 and 1,690,178.90

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Solution

The fourth proportional to 3,066,786.05, 4,232,193.35 and 1,690,178.90 is: 2,332,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,786.05 : 4,232,193.35 = 1,690,178.90 : x
  2. Step 2: Convert to fraction form
    3,066,786.05/4,232,193.35 = 1,690,178.90/x
  3. Step 3: Cross multiply
    3,066,786.05x = 4,232,193.35 × 1,690,178.90
  4. Step 4: Simplify right side
    3,066,786.05x = 7,153,163,871,278.45
  5. Step 5: Solve for x
    x = 7,153,163,871,278.45/3,066,786.05
  6. Step 6: Final answer
    x = 2,332,462.64

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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.