Home / 2,108,297.08-2,909,396.10-1,178,012.08

Finding the Fourth Proportional to 2,108,297.08, 2,909,396.10 and 1,178,012.08

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Solution

The fourth proportional to 2,108,297.08, 2,909,396.10 and 1,178,012.08 is: 1,625,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,297.08 : 2,909,396.10 = 1,178,012.08 : x
  2. Step 2: Convert to fraction form
    2,108,297.08/2,909,396.10 = 1,178,012.08/x
  3. Step 3: Cross multiply
    2,108,297.08x = 2,909,396.10 × 1,178,012.08
  4. Step 4: Simplify right side
    2,108,297.08x = 3,427,303,751,304.89
  5. Step 5: Solve for x
    x = 3,427,303,751,304.89/2,108,297.08
  6. Step 6: Final answer
    x = 1,625,626.57

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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.