Home / 1,881,979.64-2,821,382.51-816,219

Finding the Fourth Proportional to 1,881,979.64, 2,821,382.51 and 816,219

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Solution

The fourth proportional to 1,881,979.64, 2,821,382.51 and 816,219 is: 1,223,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,979.64 : 2,821,382.51 = 816,219 : x
  2. Step 2: Convert to fraction form
    1,881,979.64/2,821,382.51 = 816,219/x
  3. Step 3: Cross multiply
    1,881,979.64x = 2,821,382.51 × 816,219
  4. Step 4: Simplify right side
    1,881,979.64x = 2,302,866,006,848.59
  5. Step 5: Solve for x
    x = 2,302,866,006,848.59/1,881,979.64
  6. Step 6: Final answer
    x = 1,223,640.24

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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.