Home / 3,461,578.79-4,776,952.59-1,912,944.92

Finding the Fourth Proportional to 3,461,578.79, 4,776,952.59 and 1,912,944.92

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Solution

The fourth proportional to 3,461,578.79, 4,776,952.59 and 1,912,944.92 is: 2,639,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461,578.79 : 4,776,952.59 = 1,912,944.92 : x
  2. Step 2: Convert to fraction form
    3,461,578.79/4,776,952.59 = 1,912,944.92/x
  3. Step 3: Cross multiply
    3,461,578.79x = 4,776,952.59 × 1,912,944.92
  4. Step 4: Simplify right side
    3,461,578.79x = 9,138,047,166,236.58
  5. Step 5: Solve for x
    x = 9,138,047,166,236.58/3,461,578.79
  6. Step 6: Final answer
    x = 2,639,849.54

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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.