Home / 2,071,052.45-2,858,050.86-1,211,778.32

Finding the Fourth Proportional to 2,071,052.45, 2,858,050.86 and 1,211,778.32

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Solution

The fourth proportional to 2,071,052.45, 2,858,050.86 and 1,211,778.32 is: 1,672,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,052.45 : 2,858,050.86 = 1,211,778.32 : x
  2. Step 2: Convert to fraction form
    2,071,052.45/2,858,050.86 = 1,211,778.32/x
  3. Step 3: Cross multiply
    2,071,052.45x = 2,858,050.86 × 1,211,778.32
  4. Step 4: Simplify right side
    2,071,052.45x = 3,463,324,055,315.10
  5. Step 5: Solve for x
    x = 3,463,324,055,315.10/2,071,052.45
  6. Step 6: Final answer
    x = 1,672,253.19

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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.