Home / 2,576,019.20-3,864,028.80-1,630,457.60

Finding the Fourth Proportional to 2,576,019.20, 3,864,028.80 and 1,630,457.60

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Solution

The fourth proportional to 2,576,019.20, 3,864,028.80 and 1,630,457.60 is: 2,445,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,019.20 : 3,864,028.80 = 1,630,457.60 : x
  2. Step 2: Convert to fraction form
    2,576,019.20/3,864,028.80 = 1,630,457.60/x
  3. Step 3: Cross multiply
    2,576,019.20x = 3,864,028.80 × 1,630,457.60
  4. Step 4: Simplify right side
    2,576,019.20x = 6,300,135,123,578.88
  5. Step 5: Solve for x
    x = 6,300,135,123,578.88/2,576,019.20
  6. Step 6: Final answer
    x = 2,445,686.40

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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.