Home / 3,066,748.49-4,232,141.87-1,690,142.56

Finding the Fourth Proportional to 3,066,748.49, 4,232,141.87 and 1,690,142.56

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Solution

The fourth proportional to 3,066,748.49, 4,232,141.87 and 1,690,142.56 is: 2,332,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,748.49 : 4,232,141.87 = 1,690,142.56 : x
  2. Step 2: Convert to fraction form
    3,066,748.49/4,232,141.87 = 1,690,142.56/x
  3. Step 3: Cross multiply
    3,066,748.49x = 4,232,141.87 × 1,690,142.56
  4. Step 4: Simplify right side
    3,066,748.49x = 7,152,923,075,413.92
  5. Step 5: Solve for x
    x = 7,152,923,075,413.92/3,066,748.49
  6. Step 6: Final answer
    x = 2,332,412.68

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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.