Home / 2,178,465-3,006,264.96-1,198,382.94

Finding the Fourth Proportional to 2,178,465, 3,006,264.96 and 1,198,382.94

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Solution

The fourth proportional to 2,178,465, 3,006,264.96 and 1,198,382.94 is: 1,653,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,465 : 3,006,264.96 = 1,198,382.94 : x
  2. Step 2: Convert to fraction form
    2,178,465/3,006,264.96 = 1,198,382.94/x
  3. Step 3: Cross multiply
    2,178,465x = 3,006,264.96 × 1,198,382.94
  4. Step 4: Simplify right side
    2,178,465x = 3,602,656,641,183.78
  5. Step 5: Solve for x
    x = 3,602,656,641,183.78/2,178,465
  6. Step 6: Final answer
    x = 1,653,759.25

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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.