Home / 4,939,831.40-7,409,747.10-2,100,036.20

Finding the Fourth Proportional to 4,939,831.40, 7,409,747.10 and 2,100,036.20

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Solution

The fourth proportional to 4,939,831.40, 7,409,747.10 and 2,100,036.20 is: 3,150,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,831.40 : 7,409,747.10 = 2,100,036.20 : x
  2. Step 2: Convert to fraction form
    4,939,831.40/7,409,747.10 = 2,100,036.20/x
  3. Step 3: Cross multiply
    4,939,831.40x = 7,409,747.10 × 2,100,036.20
  4. Step 4: Simplify right side
    4,939,831.40x = 15,560,737,142,845.02
  5. Step 5: Solve for x
    x = 15,560,737,142,845.02/4,939,831.40
  6. Step 6: Final answer
    x = 3,150,054.30

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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.