Home / 1,888,776.77-2,606,435.88-1,029,318.58

Finding the Fourth Proportional to 1,888,776.77, 2,606,435.88 and 1,029,318.58

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Solution

The fourth proportional to 1,888,776.77, 2,606,435.88 and 1,029,318.58 is: 1,420,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,776.77 : 2,606,435.88 = 1,029,318.58 : x
  2. Step 2: Convert to fraction form
    1,888,776.77/2,606,435.88 = 1,029,318.58/x
  3. Step 3: Cross multiply
    1,888,776.77x = 2,606,435.88 × 1,029,318.58
  4. Step 4: Simplify right side
    1,888,776.77x = 2,682,852,865,830.47
  5. Step 5: Solve for x
    x = 2,682,852,865,830.47/1,888,776.77
  6. Step 6: Final answer
    x = 1,420,418.18

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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.