Home / 2,080,915-2,871,896.10-1,175,555.32

Finding the Fourth Proportional to 2,080,915, 2,871,896.10 and 1,175,555.32

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Solution

The fourth proportional to 2,080,915, 2,871,896.10 and 1,175,555.32 is: 1,622,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,915 : 2,871,896.10 = 1,175,555.32 : x
  2. Step 2: Convert to fraction form
    2,080,915/2,871,896.10 = 1,175,555.32/x
  3. Step 3: Cross multiply
    2,080,915x = 2,871,896.10 × 1,175,555.32
  4. Step 4: Simplify right side
    2,080,915x = 3,376,072,738,842.25
  5. Step 5: Solve for x
    x = 3,376,072,738,842.25/2,080,915
  6. Step 6: Final answer
    x = 1,622,398.19

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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.