Home / 1,987,253.42-2,742,767.61-1,171,408.82

Finding the Fourth Proportional to 1,987,253.42, 2,742,767.61 and 1,171,408.82

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Solution

The fourth proportional to 1,987,253.42, 2,742,767.61 and 1,171,408.82 is: 1,616,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,253.42 : 2,742,767.61 = 1,171,408.82 : x
  2. Step 2: Convert to fraction form
    1,987,253.42/2,742,767.61 = 1,171,408.82/x
  3. Step 3: Cross multiply
    1,987,253.42x = 2,742,767.61 × 1,171,408.82
  4. Step 4: Simplify right side
    1,987,253.42x = 3,212,902,169,564.32
  5. Step 5: Solve for x
    x = 3,212,902,169,564.32/1,987,253.42
  6. Step 6: Final answer
    x = 1,616,755.13

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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.