Home / 2,101,999.88-2,900,759.78-1,135,130.16

Finding the Fourth Proportional to 2,101,999.88, 2,900,759.78 and 1,135,130.16

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Solution

The fourth proportional to 2,101,999.88, 2,900,759.78 and 1,135,130.16 is: 1,566,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,999.88 : 2,900,759.78 = 1,135,130.16 : x
  2. Step 2: Convert to fraction form
    2,101,999.88/2,900,759.78 = 1,135,130.16/x
  3. Step 3: Cross multiply
    2,101,999.88x = 2,900,759.78 × 1,135,130.16
  4. Step 4: Simplify right side
    2,101,999.88x = 3,292,739,926,908.64
  5. Step 5: Solve for x
    x = 3,292,739,926,908.64/2,101,999.88
  6. Step 6: Final answer
    x = 1,566,479.60

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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.