Home / 3,986,247.45-5,977,894.92-1,289,873.28

Finding the Fourth Proportional to 3,986,247.45, 5,977,894.92 and 1,289,873.28

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Solution

The fourth proportional to 3,986,247.45, 5,977,894.92 and 1,289,873.28 is: 1,934,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,247.45 : 5,977,894.92 = 1,289,873.28 : x
  2. Step 2: Convert to fraction form
    3,986,247.45/5,977,894.92 = 1,289,873.28/x
  3. Step 3: Cross multiply
    3,986,247.45x = 5,977,894.92 × 1,289,873.28
  4. Step 4: Simplify right side
    3,986,247.45x = 7,710,726,898,066.26
  5. Step 5: Solve for x
    x = 7,710,726,898,066.26/3,986,247.45
  6. Step 6: Final answer
    x = 1,934,332.23

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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.