Home / 2,164,876.90-2,987,487.33-1,198,006.90

Finding the Fourth Proportional to 2,164,876.90, 2,987,487.33 and 1,198,006.90

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Solution

The fourth proportional to 2,164,876.90, 2,987,487.33 and 1,198,006.90 is: 1,653,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,876.90 : 2,987,487.33 = 1,198,006.90 : x
  2. Step 2: Convert to fraction form
    2,164,876.90/2,987,487.33 = 1,198,006.90/x
  3. Step 3: Cross multiply
    2,164,876.90x = 2,987,487.33 × 1,198,006.90
  4. Step 4: Simplify right side
    2,164,876.90x = 3,579,030,435,002.58
  5. Step 5: Solve for x
    x = 3,579,030,435,002.58/2,164,876.90
  6. Step 6: Final answer
    x = 1,653,225.84

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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.