Home / 7,047,758.40-10,570,600.80-1,999,579.20

Finding the Fourth Proportional to 7,047,758.40, 10,570,600.80 and 1,999,579.20

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Solution

The fourth proportional to 7,047,758.40, 10,570,600.80 and 1,999,579.20 is: 2,999,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,758.40 : 10,570,600.80 = 1,999,579.20 : x
  2. Step 2: Convert to fraction form
    7,047,758.40/10,570,600.80 = 1,999,579.20/x
  3. Step 3: Cross multiply
    7,047,758.40x = 10,570,600.80 × 1,999,579.20
  4. Step 4: Simplify right side
    7,047,758.40x = 21,136,753,491,183.36
  5. Step 5: Solve for x
    x = 21,136,753,491,183.36/7,047,758.40
  6. Step 6: Final answer
    x = 2,999,074.64

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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.