Home / 2,015,047.20-3,022,570.80-519,139.20

Finding the Fourth Proportional to 2,015,047.20, 3,022,570.80 and 519,139.20

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Solution

The fourth proportional to 2,015,047.20, 3,022,570.80 and 519,139.20 is: 778,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,047.20 : 3,022,570.80 = 519,139.20 : x
  2. Step 2: Convert to fraction form
    2,015,047.20/3,022,570.80 = 519,139.20/x
  3. Step 3: Cross multiply
    2,015,047.20x = 3,022,570.80 × 519,139.20
  4. Step 4: Simplify right side
    2,015,047.20x = 1,569,134,987,055.36
  5. Step 5: Solve for x
    x = 1,569,134,987,055.36/2,015,047.20
  6. Step 6: Final answer
    x = 778,708.80

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Double scale
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Similar ratio
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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.