Home / 1,641,137.94-2,264,884.47-916,127.19

Finding the Fourth Proportional to 1,641,137.94, 2,264,884.47 and 916,127.19

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Solution

The fourth proportional to 1,641,137.94, 2,264,884.47 and 916,127.19 is: 1,264,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,137.94 : 2,264,884.47 = 916,127.19 : x
  2. Step 2: Convert to fraction form
    1,641,137.94/2,264,884.47 = 916,127.19/x
  3. Step 3: Cross multiply
    1,641,137.94x = 2,264,884.47 × 916,127.19
  4. Step 4: Simplify right side
    1,641,137.94x = 2,074,922,245,175.74
  5. Step 5: Solve for x
    x = 2,074,922,245,175.74/1,641,137.94
  6. Step 6: Final answer
    x = 1,264,319.22

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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.