Home / 2,161,397.94-3,242,657.01-1,149,686.88

Finding the Fourth Proportional to 2,161,397.94, 3,242,657.01 and 1,149,686.88

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Solution

The fourth proportional to 2,161,397.94, 3,242,657.01 and 1,149,686.88 is: 1,724,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,397.94 : 3,242,657.01 = 1,149,686.88 : x
  2. Step 2: Convert to fraction form
    2,161,397.94/3,242,657.01 = 1,149,686.88/x
  3. Step 3: Cross multiply
    2,161,397.94x = 3,242,657.01 × 1,149,686.88
  4. Step 4: Simplify right side
    2,161,397.94x = 3,728,040,220,737.03
  5. Step 5: Solve for x
    x = 3,728,040,220,737.03/2,161,397.94
  6. Step 6: Final answer
    x = 1,724,828.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.