Home / 2,100,615.12-2,898,834.12-1,146,759.12

Finding the Fourth Proportional to 2,100,615.12, 2,898,834.12 and 1,146,759.12

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Solution

The fourth proportional to 2,100,615.12, 2,898,834.12 and 1,146,759.12 is: 1,582,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,615.12 : 2,898,834.12 = 1,146,759.12 : x
  2. Step 2: Convert to fraction form
    2,100,615.12/2,898,834.12 = 1,146,759.12/x
  3. Step 3: Cross multiply
    2,100,615.12x = 2,898,834.12 × 1,146,759.12
  4. Step 4: Simplify right side
    2,100,615.12x = 3,324,264,464,477.18
  5. Step 5: Solve for x
    x = 3,324,264,464,477.18/2,100,615.12
  6. Step 6: Final answer
    x = 1,582,519.54

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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.