Home / 2,650,831.80-3,977,414.10-1,230,156.60

Finding the Fourth Proportional to 2,650,831.80, 3,977,414.10 and 1,230,156.60

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Solution

The fourth proportional to 2,650,831.80, 3,977,414.10 and 1,230,156.60 is: 1,845,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,831.80 : 3,977,414.10 = 1,230,156.60 : x
  2. Step 2: Convert to fraction form
    2,650,831.80/3,977,414.10 = 1,230,156.60/x
  3. Step 3: Cross multiply
    2,650,831.80x = 3,977,414.10 × 1,230,156.60
  4. Step 4: Simplify right side
    2,650,831.80x = 4,892,842,206,048.06
  5. Step 5: Solve for x
    x = 4,892,842,206,048.06/2,650,831.80
  6. Step 6: Final answer
    x = 1,845,776.18

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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.