Home / 2,134,669.20-3,194,130.60-1,945,712.40

Finding the Fourth Proportional to 2,134,669.20, 3,194,130.60 and 1,945,712.40

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Solution

The fourth proportional to 2,134,669.20, 3,194,130.60 and 1,945,712.40 is: 2,911,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,669.20 : 3,194,130.60 = 1,945,712.40 : x
  2. Step 2: Convert to fraction form
    2,134,669.20/3,194,130.60 = 1,945,712.40/x
  3. Step 3: Cross multiply
    2,134,669.20x = 3,194,130.60 × 1,945,712.40
  4. Step 4: Simplify right side
    2,134,669.20x = 6,214,859,515,639.44
  5. Step 5: Solve for x
    x = 6,214,859,515,639.44/2,134,669.20
  6. Step 6: Final answer
    x = 2,911,392.32

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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.