Home / 6,739,894.20-10,109,841.30-1,947,739.80

Finding the Fourth Proportional to 6,739,894.20, 10,109,841.30 and 1,947,739.80

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Solution

The fourth proportional to 6,739,894.20, 10,109,841.30 and 1,947,739.80 is: 2,921,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,894.20 : 10,109,841.30 = 1,947,739.80 : x
  2. Step 2: Convert to fraction form
    6,739,894.20/10,109,841.30 = 1,947,739.80/x
  3. Step 3: Cross multiply
    6,739,894.20x = 10,109,841.30 × 1,947,739.80
  4. Step 4: Simplify right side
    6,739,894.20x = 19,691,340,271,693.74
  5. Step 5: Solve for x
    x = 19,691,340,271,693.74/6,739,894.20
  6. Step 6: Final answer
    x = 2,921,609.70

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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.