Home / 3,998,159.69-5,517,460.98-2,162,617.16

Finding the Fourth Proportional to 3,998,159.69, 5,517,460.98 and 2,162,617.16

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Solution

The fourth proportional to 3,998,159.69, 5,517,460.98 and 2,162,617.16 is: 2,984,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,159.69 : 5,517,460.98 = 2,162,617.16 : x
  2. Step 2: Convert to fraction form
    3,998,159.69/5,517,460.98 = 2,162,617.16/x
  3. Step 3: Cross multiply
    3,998,159.69x = 5,517,460.98 × 2,162,617.16
  4. Step 4: Simplify right side
    3,998,159.69x = 11,932,155,767,391.11
  5. Step 5: Solve for x
    x = 11,932,155,767,391.11/3,998,159.69
  6. Step 6: Final answer
    x = 2,984,412.01

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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.