Home / 3,208,809.40-4,810,881.30-1,314,575.80

Finding the Fourth Proportional to 3,208,809.40, 4,810,881.30 and 1,314,575.80

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Solution

The fourth proportional to 3,208,809.40, 4,810,881.30 and 1,314,575.80 is: 1,970,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,809.40 : 4,810,881.30 = 1,314,575.80 : x
  2. Step 2: Convert to fraction form
    3,208,809.40/4,810,881.30 = 1,314,575.80/x
  3. Step 3: Cross multiply
    3,208,809.40x = 4,810,881.30 × 1,314,575.80
  4. Step 4: Simplify right side
    3,208,809.40x = 6,324,268,133,652.54
  5. Step 5: Solve for x
    x = 6,324,268,133,652.54/3,208,809.40
  6. Step 6: Final answer
    x = 1,970,908.01

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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.