Home / 1,868,620.71-2,792,691.27-1,364,243.84

Finding the Fourth Proportional to 1,868,620.71, 2,792,691.27 and 1,364,243.84

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Solution

The fourth proportional to 1,868,620.71, 2,792,691.27 and 1,364,243.84 is: 2,038,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,620.71 : 2,792,691.27 = 1,364,243.84 : x
  2. Step 2: Convert to fraction form
    1,868,620.71/2,792,691.27 = 1,364,243.84/x
  3. Step 3: Cross multiply
    1,868,620.71x = 2,792,691.27 × 1,364,243.84
  4. Step 4: Simplify right side
    1,868,620.71x = 3,809,911,862,119.28
  5. Step 5: Solve for x
    x = 3,809,911,862,119.28/1,868,620.71
  6. Step 6: Final answer
    x = 2,038,889.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.