Home / 6,228,912.40-9,343,368.60-2,189,960.80

Finding the Fourth Proportional to 6,228,912.40, 9,343,368.60 and 2,189,960.80

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Solution

The fourth proportional to 6,228,912.40, 9,343,368.60 and 2,189,960.80 is: 3,284,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228,912.40 : 9,343,368.60 = 2,189,960.80 : x
  2. Step 2: Convert to fraction form
    6,228,912.40/9,343,368.60 = 2,189,960.80/x
  3. Step 3: Cross multiply
    6,228,912.40x = 9,343,368.60 × 2,189,960.80
  4. Step 4: Simplify right side
    6,228,912.40x = 20,461,610,973,950.88
  5. Step 5: Solve for x
    x = 20,461,610,973,950.88/6,228,912.40
  6. Step 6: Final answer
    x = 3,284,941.20

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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.