Home / 2,768,999.16-3,821,560.92-1,607,196.72

Finding the Fourth Proportional to 2,768,999.16, 3,821,560.92 and 1,607,196.72

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Solution

The fourth proportional to 2,768,999.16, 3,821,560.92 and 1,607,196.72 is: 2,218,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,999.16 : 3,821,560.92 = 1,607,196.72 : x
  2. Step 2: Convert to fraction form
    2,768,999.16/3,821,560.92 = 1,607,196.72/x
  3. Step 3: Cross multiply
    2,768,999.16x = 3,821,560.92 × 1,607,196.72
  4. Step 4: Simplify right side
    2,768,999.16x = 6,142,000,175,904.18
  5. Step 5: Solve for x
    x = 6,142,000,175,904.18/2,768,999.16
  6. Step 6: Final answer
    x = 2,218,130.02

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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.