Home / 2,500,356.40-3,450,491.64-1,354,436.44

Finding the Fourth Proportional to 2,500,356.40, 3,450,491.64 and 1,354,436.44

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Solution

The fourth proportional to 2,500,356.40, 3,450,491.64 and 1,354,436.44 is: 1,869,122.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,356.40 : 3,450,491.64 = 1,354,436.44 : x
  2. Step 2: Convert to fraction form
    2,500,356.40/3,450,491.64 = 1,354,436.44/x
  3. Step 3: Cross multiply
    2,500,356.40x = 3,450,491.64 × 1,354,436.44
  4. Step 4: Simplify right side
    2,500,356.40x = 4,673,471,613,131.36
  5. Step 5: Solve for x
    x = 4,673,471,613,131.36/2,500,356.40
  6. Step 6: Final answer
    x = 1,869,122.18

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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.