Home / 2,215,361.40-3,057,957.72-1,297,885.56

Finding the Fourth Proportional to 2,215,361.40, 3,057,957.72 and 1,297,885.56

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Solution

The fourth proportional to 2,215,361.40, 3,057,957.72 and 1,297,885.56 is: 1,791,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,361.40 : 3,057,957.72 = 1,297,885.56 : x
  2. Step 2: Convert to fraction form
    2,215,361.40/3,057,957.72 = 1,297,885.56/x
  3. Step 3: Cross multiply
    2,215,361.40x = 3,057,957.72 × 1,297,885.56
  4. Step 4: Simplify right side
    2,215,361.40x = 3,968,879,167,878.52
  5. Step 5: Solve for x
    x = 3,968,879,167,878.52/2,215,361.40
  6. Step 6: Final answer
    x = 1,791,526.73

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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.