Home / 2,147,742.26-2,963,821.65-1,180,871.54

Finding the Fourth Proportional to 2,147,742.26, 2,963,821.65 and 1,180,871.54

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Solution

The fourth proportional to 2,147,742.26, 2,963,821.65 and 1,180,871.54 is: 1,629,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,742.26 : 2,963,821.65 = 1,180,871.54 : x
  2. Step 2: Convert to fraction form
    2,147,742.26/2,963,821.65 = 1,180,871.54/x
  3. Step 3: Cross multiply
    2,147,742.26x = 2,963,821.65 × 1,180,871.54
  4. Step 4: Simplify right side
    2,147,742.26x = 3,499,892,636,120.84
  5. Step 5: Solve for x
    x = 3,499,892,636,120.84/2,147,742.26
  6. Step 6: Final answer
    x = 1,629,568.27

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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.