Home / 5,428,250.08-8,129,973.60-2,590,355.20

Finding the Fourth Proportional to 5,428,250.08, 8,129,973.60 and 2,590,355.20

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Solution

The fourth proportional to 5,428,250.08, 8,129,973.60 and 2,590,355.20 is: 3,879,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,250.08 : 8,129,973.60 = 2,590,355.20 : x
  2. Step 2: Convert to fraction form
    5,428,250.08/8,129,973.60 = 2,590,355.20/x
  3. Step 3: Cross multiply
    5,428,250.08x = 8,129,973.60 × 2,590,355.20
  4. Step 4: Simplify right side
    5,428,250.08x = 21,059,519,390,622.72
  5. Step 5: Solve for x
    x = 21,059,519,390,622.72/5,428,250.08
  6. Step 6: Final answer
    x = 3,879,614.81

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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.