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Finding the Fourth Proportional to 2,347,669.98, 3,520,479.49 and 830,849.00

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Solution

The fourth proportional to 2,347,669.98, 3,520,479.49 and 830,849.00 is: 1,245,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347,669.98 : 3,520,479.49 = 830,849.00 : x
  2. Step 2: Convert to fraction form
    2,347,669.98/3,520,479.49 = 830,849.00/x
  3. Step 3: Cross multiply
    2,347,669.98x = 3,520,479.49 × 830,849.00
  4. Step 4: Simplify right side
    2,347,669.98x = 2,924,986,844,107.49
  5. Step 5: Solve for x
    x = 2,924,986,844,107.49/2,347,669.98
  6. Step 6: Final answer
    x = 1,245,910.57

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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.