Home / 5,187,851.40-7,786,523.34-2,630,831.16

Finding the Fourth Proportional to 5,187,851.40, 7,786,523.34 and 2,630,831.16

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Solution

The fourth proportional to 5,187,851.40, 7,786,523.34 and 2,630,831.16 is: 3,948,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,851.40 : 7,786,523.34 = 2,630,831.16 : x
  2. Step 2: Convert to fraction form
    5,187,851.40/7,786,523.34 = 2,630,831.16/x
  3. Step 3: Cross multiply
    5,187,851.40x = 7,786,523.34 × 2,630,831.16
  4. Step 4: Simplify right side
    5,187,851.40x = 20,485,028,230,939.27
  5. Step 5: Solve for x
    x = 20,485,028,230,939.27/5,187,851.40
  6. Step 6: Final answer
    x = 3,948,653.62

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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.