Home / 3,878,356.14-5,809,671.68-1,798,135.03

Finding the Fourth Proportional to 3,878,356.14, 5,809,671.68 and 1,798,135.03

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Solution

The fourth proportional to 3,878,356.14, 5,809,671.68 and 1,798,135.03 is: 2,693,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,356.14 : 5,809,671.68 = 1,798,135.03 : x
  2. Step 2: Convert to fraction form
    3,878,356.14/5,809,671.68 = 1,798,135.03/x
  3. Step 3: Cross multiply
    3,878,356.14x = 5,809,671.68 × 1,798,135.03
  4. Step 4: Simplify right side
    3,878,356.14x = 10,446,574,158,878.37
  5. Step 5: Solve for x
    x = 10,446,574,158,878.37/3,878,356.14
  6. Step 6: Final answer
    x = 2,693,557.21

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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.