Home / 2,161,561.16-3,242,694.10-665,653.16

Finding the Fourth Proportional to 2,161,561.16, 3,242,694.10 and 665,653.16

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Solution

The fourth proportional to 2,161,561.16, 3,242,694.10 and 665,653.16 is: 998,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,561.16 : 3,242,694.10 = 665,653.16 : x
  2. Step 2: Convert to fraction form
    2,161,561.16/3,242,694.10 = 665,653.16/x
  3. Step 3: Cross multiply
    2,161,561.16x = 3,242,694.10 × 665,653.16
  4. Step 4: Simplify right side
    2,161,561.16x = 2,158,509,574,578.36
  5. Step 5: Solve for x
    x = 2,158,509,574,578.36/2,161,561.16
  6. Step 6: Final answer
    x = 998,588.25

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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.