Home / 3,066,485-4,231,777.29-1,689,878.11

Finding the Fourth Proportional to 3,066,485, 4,231,777.29 and 1,689,878.11

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Solution

The fourth proportional to 3,066,485, 4,231,777.29 and 1,689,878.11 is: 2,332,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,485 : 4,231,777.29 = 1,689,878.11 : x
  2. Step 2: Convert to fraction form
    3,066,485/4,231,777.29 = 1,689,878.11/x
  3. Step 3: Cross multiply
    3,066,485x = 4,231,777.29 × 1,689,878.11
  4. Step 4: Simplify right side
    3,066,485x = 7,151,187,808,766.12
  5. Step 5: Solve for x
    x = 7,151,187,808,766.12/3,066,485
  6. Step 6: Final answer
    x = 2,332,047.22

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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.