Home / 2,303,707.42-3,178,895.79-1,285,177.78

Finding the Fourth Proportional to 2,303,707.42, 3,178,895.79 and 1,285,177.78

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Solution

The fourth proportional to 2,303,707.42, 3,178,895.79 and 1,285,177.78 is: 1,773,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303,707.42 : 3,178,895.79 = 1,285,177.78 : x
  2. Step 2: Convert to fraction form
    2,303,707.42/3,178,895.79 = 1,285,177.78/x
  3. Step 3: Cross multiply
    2,303,707.42x = 3,178,895.79 × 1,285,177.78
  4. Step 4: Simplify right side
    2,303,707.42x = 4,085,446,234,243.55
  5. Step 5: Solve for x
    x = 4,085,446,234,243.55/2,303,707.42
  6. Step 6: Final answer
    x = 1,773,422.35

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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.