Home / 6,409,828.80-9,612,410.40-3,213,892.80

Finding the Fourth Proportional to 6,409,828.80, 9,612,410.40 and 3,213,892.80

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Solution

The fourth proportional to 6,409,828.80, 9,612,410.40 and 3,213,892.80 is: 4,819,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409,828.80 : 9,612,410.40 = 3,213,892.80 : x
  2. Step 2: Convert to fraction form
    6,409,828.80/9,612,410.40 = 3,213,892.80/x
  3. Step 3: Cross multiply
    6,409,828.80x = 9,612,410.40 × 3,213,892.80
  4. Step 4: Simplify right side
    6,409,828.80x = 30,893,256,575,205.12
  5. Step 5: Solve for x
    x = 30,893,256,575,205.12/6,409,828.80
  6. Step 6: Final answer
    x = 4,819,669.53

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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.