Home / 6,739,919.20-10,109,878.80-1,947,764.80

Finding the Fourth Proportional to 6,739,919.20, 10,109,878.80 and 1,947,764.80

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Solution

The fourth proportional to 6,739,919.20, 10,109,878.80 and 1,947,764.80 is: 2,921,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,919.20 : 10,109,878.80 = 1,947,764.80 : x
  2. Step 2: Convert to fraction form
    6,739,919.20/10,109,878.80 = 1,947,764.80/x
  3. Step 3: Cross multiply
    6,739,919.20x = 10,109,878.80 × 1,947,764.80
  4. Step 4: Simplify right side
    6,739,919.20x = 19,691,666,058,906.24
  5. Step 5: Solve for x
    x = 19,691,666,058,906.24/6,739,919.20
  6. Step 6: Final answer
    x = 2,921,647.20

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1.5x scale

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.