Home / 2,080,930-2,871,916.80-1,175,570.32

Finding the Fourth Proportional to 2,080,930, 2,871,916.80 and 1,175,570.32

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Solution

The fourth proportional to 2,080,930, 2,871,916.80 and 1,175,570.32 is: 1,622,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,930 : 2,871,916.80 = 1,175,570.32 : x
  2. Step 2: Convert to fraction form
    2,080,930/2,871,916.80 = 1,175,570.32/x
  3. Step 3: Cross multiply
    2,080,930x = 2,871,916.80 × 1,175,570.32
  4. Step 4: Simplify right side
    2,080,930x = 3,376,140,151,589.38
  5. Step 5: Solve for x
    x = 3,376,140,151,589.38/2,080,930
  6. Step 6: Final answer
    x = 1,622,418.90

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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.