Home / 3,066,781.32-4,232,187.16-1,690,174.68

Finding the Fourth Proportional to 3,066,781.32, 4,232,187.16 and 1,690,174.68

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Solution

The fourth proportional to 3,066,781.32, 4,232,187.16 and 1,690,174.68 is: 2,332,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,781.32 : 4,232,187.16 = 1,690,174.68 : x
  2. Step 2: Convert to fraction form
    3,066,781.32/4,232,187.16 = 1,690,174.68/x
  3. Step 3: Cross multiply
    3,066,781.32x = 4,232,187.16 × 1,690,174.68
  4. Step 4: Simplify right side
    3,066,781.32x = 7,153,135,578,853.11
  5. Step 5: Solve for x
    x = 7,153,135,578,853.11/3,066,781.32
  6. Step 6: Final answer
    x = 2,332,457.01

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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.