Home / 2,125,404.90-3,194,328.15-1,851,689.70

Finding the Fourth Proportional to 2,125,404.90, 3,194,328.15 and 1,851,689.70

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Solution

The fourth proportional to 2,125,404.90, 3,194,328.15 and 1,851,689.70 is: 2,782,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,404.90 : 3,194,328.15 = 1,851,689.70 : x
  2. Step 2: Convert to fraction form
    2,125,404.90/3,194,328.15 = 1,851,689.70/x
  3. Step 3: Cross multiply
    2,125,404.90x = 3,194,328.15 × 1,851,689.70
  4. Step 4: Simplify right side
    2,125,404.90x = 5,914,904,533,775.06
  5. Step 5: Solve for x
    x = 5,914,904,533,775.06/2,125,404.90
  6. Step 6: Final answer
    x = 2,782,954.22

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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.