Home / 3,066,547.86-4,231,863.90-1,689,940.89

Finding the Fourth Proportional to 3,066,547.86, 4,231,863.90 and 1,689,940.89

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Solution

The fourth proportional to 3,066,547.86, 4,231,863.90 and 1,689,940.89 is: 2,332,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,547.86 : 4,231,863.90 = 1,689,940.89 : x
  2. Step 2: Convert to fraction form
    3,066,547.86/4,231,863.90 = 1,689,940.89/x
  3. Step 3: Cross multiply
    3,066,547.86x = 4,231,863.90 × 1,689,940.89
  4. Step 4: Simplify right side
    3,066,547.86x = 7,151,599,845,524.87
  5. Step 5: Solve for x
    x = 7,151,599,845,524.87/3,066,547.86
  6. Step 6: Final answer
    x = 2,332,133.78

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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.