Home / 2,140,841.18-2,954,401.38-1,173,913.80

Finding the Fourth Proportional to 2,140,841.18, 2,954,401.38 and 1,173,913.80

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Solution

The fourth proportional to 2,140,841.18, 2,954,401.38 and 1,173,913.80 is: 1,620,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,841.18 : 2,954,401.38 = 1,173,913.80 : x
  2. Step 2: Convert to fraction form
    2,140,841.18/2,954,401.38 = 1,173,913.80/x
  3. Step 3: Cross multiply
    2,140,841.18x = 2,954,401.38 × 1,173,913.80
  4. Step 4: Simplify right side
    2,140,841.18x = 3,468,212,544,851.48
  5. Step 5: Solve for x
    x = 3,468,212,544,851.48/2,140,841.18
  6. Step 6: Final answer
    x = 1,620,023.28

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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.