Home / 3,347,855.20-4,620,020.88-1,897,824.16

Finding the Fourth Proportional to 3,347,855.20, 4,620,020.88 and 1,897,824.16

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Solution

The fourth proportional to 3,347,855.20, 4,620,020.88 and 1,897,824.16 is: 2,618,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347,855.20 : 4,620,020.88 = 1,897,824.16 : x
  2. Step 2: Convert to fraction form
    3,347,855.20/4,620,020.88 = 1,897,824.16/x
  3. Step 3: Cross multiply
    3,347,855.20x = 4,620,020.88 × 1,897,824.16
  4. Step 4: Simplify right side
    3,347,855.20x = 8,767,987,245,768.46
  5. Step 5: Solve for x
    x = 8,767,987,245,768.46/3,347,855.20
  6. Step 6: Final answer
    x = 2,618,986.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.