Home / 2,108,297.58-2,909,396.79-1,178,012.58

Finding the Fourth Proportional to 2,108,297.58, 2,909,396.79 and 1,178,012.58

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Solution

The fourth proportional to 2,108,297.58, 2,909,396.79 and 1,178,012.58 is: 1,625,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,297.58 : 2,909,396.79 = 1,178,012.58 : x
  2. Step 2: Convert to fraction form
    2,108,297.58/2,909,396.79 = 1,178,012.58/x
  3. Step 3: Cross multiply
    2,108,297.58x = 2,909,396.79 × 1,178,012.58
  4. Step 4: Simplify right side
    2,108,297.58x = 3,427,306,018,831.62
  5. Step 5: Solve for x
    x = 3,427,306,018,831.62/2,108,297.58
  6. Step 6: Final answer
    x = 1,625,627.26

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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.