Home / 1,641,087-2,264,640.12-1,029,568.68

Finding the Fourth Proportional to 1,641,087, 2,264,640.12 and 1,029,568.68

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Solution

The fourth proportional to 1,641,087, 2,264,640.12 and 1,029,568.68 is: 1,420,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,087 : 2,264,640.12 = 1,029,568.68 : x
  2. Step 2: Convert to fraction form
    1,641,087/2,264,640.12 = 1,029,568.68/x
  3. Step 3: Cross multiply
    1,641,087x = 2,264,640.12 × 1,029,568.68
  4. Step 4: Simplify right side
    1,641,087x = 2,331,602,539,023.44
  5. Step 5: Solve for x
    x = 2,331,602,539,023.44/1,641,087
  6. Step 6: Final answer
    x = 1,420,767.17

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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.