Home / 2,261,469.51-3,121,555.05-1,447,864.47

Finding the Fourth Proportional to 2,261,469.51, 3,121,555.05 and 1,447,864.47

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Solution

The fourth proportional to 2,261,469.51, 3,121,555.05 and 1,447,864.47 is: 1,998,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,469.51 : 3,121,555.05 = 1,447,864.47 : x
  2. Step 2: Convert to fraction form
    2,261,469.51/3,121,555.05 = 1,447,864.47/x
  3. Step 3: Cross multiply
    2,261,469.51x = 3,121,555.05 × 1,447,864.47
  4. Step 4: Simplify right side
    2,261,469.51x = 4,519,588,648,044.07
  5. Step 5: Solve for x
    x = 4,519,588,648,044.07/2,261,469.51
  6. Step 6: Final answer
    x = 1,998,518.50

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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.