Home / 2,039,297.70-3,059,930.70-1,438,966.20

Finding the Fourth Proportional to 2,039,297.70, 3,059,930.70 and 1,438,966.20

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Solution

The fourth proportional to 2,039,297.70, 3,059,930.70 and 1,438,966.20 is: 2,159,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,297.70 : 3,059,930.70 = 1,438,966.20 : x
  2. Step 2: Convert to fraction form
    2,039,297.70/3,059,930.70 = 1,438,966.20/x
  3. Step 3: Cross multiply
    2,039,297.70x = 3,059,930.70 × 1,438,966.20
  4. Step 4: Simplify right side
    2,039,297.70x = 4,403,136,851,642.34
  5. Step 5: Solve for x
    x = 4,403,136,851,642.34/2,039,297.70
  6. Step 6: Final answer
    x = 2,159,143.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.