Home / 2,578,701.06-3,868,180.07-981,387.95

Finding the Fourth Proportional to 2,578,701.06, 3,868,180.07 and 981,387.95

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Solution

The fourth proportional to 2,578,701.06, 3,868,180.07 and 981,387.95 is: 1,472,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,701.06 : 3,868,180.07 = 981,387.95 : x
  2. Step 2: Convert to fraction form
    2,578,701.06/3,868,180.07 = 981,387.95/x
  3. Step 3: Cross multiply
    2,578,701.06x = 3,868,180.07 × 981,387.95
  4. Step 4: Simplify right side
    2,578,701.06x = 3,796,185,284,880.32
  5. Step 5: Solve for x
    x = 3,796,185,284,880.32/2,578,701.06
  6. Step 6: Final answer
    x = 1,472,130.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.