Home / 2,164,919.67-2,987,594.96-1,198,116.63

Finding the Fourth Proportional to 2,164,919.67, 2,987,594.96 and 1,198,116.63

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Solution

The fourth proportional to 2,164,919.67, 2,987,594.96 and 1,198,116.63 is: 1,653,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,919.67 : 2,987,594.96 = 1,198,116.63 : x
  2. Step 2: Convert to fraction form
    2,164,919.67/2,987,594.96 = 1,198,116.63/x
  3. Step 3: Cross multiply
    2,164,919.67x = 2,987,594.96 × 1,198,116.63
  4. Step 4: Simplify right side
    2,164,919.67x = 3,579,487,199,289.60
  5. Step 5: Solve for x
    x = 3,579,487,199,289.60/2,164,919.67
  6. Step 6: Final answer
    x = 1,653,404.17

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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.