Home / 2,800,145.60-3,863,516.64-1,576,203.20

Finding the Fourth Proportional to 2,800,145.60, 3,863,516.64 and 1,576,203.20

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Solution

The fourth proportional to 2,800,145.60, 3,863,516.64 and 1,576,203.20 is: 2,174,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,145.60 : 3,863,516.64 = 1,576,203.20 : x
  2. Step 2: Convert to fraction form
    2,800,145.60/3,863,516.64 = 1,576,203.20/x
  3. Step 3: Cross multiply
    2,800,145.60x = 3,863,516.64 × 1,576,203.20
  4. Step 4: Simplify right side
    2,800,145.60x = 6,089,687,291,221.25
  5. Step 5: Solve for x
    x = 6,089,687,291,221.25/2,800,145.60
  6. Step 6: Final answer
    x = 2,174,775.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.