Home / 5,394,605.40-8,090,871.30-1,608,211.80

Finding the Fourth Proportional to 5,394,605.40, 8,090,871.30 and 1,608,211.80

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Solution

The fourth proportional to 5,394,605.40, 8,090,871.30 and 1,608,211.80 is: 2,412,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394,605.40 : 8,090,871.30 = 1,608,211.80 : x
  2. Step 2: Convert to fraction form
    5,394,605.40/8,090,871.30 = 1,608,211.80/x
  3. Step 3: Cross multiply
    5,394,605.40x = 8,090,871.30 × 1,608,211.80
  4. Step 4: Simplify right side
    5,394,605.40x = 13,011,834,696,941.34
  5. Step 5: Solve for x
    x = 13,011,834,696,941.34/5,394,605.40
  6. Step 6: Final answer
    x = 2,412,008.61

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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.