Home / 5,909,817.20-8,864,725.80-3,390,393.20

Finding the Fourth Proportional to 5,909,817.20, 8,864,725.80 and 3,390,393.20

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Solution

The fourth proportional to 5,909,817.20, 8,864,725.80 and 3,390,393.20 is: 5,085,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909,817.20 : 8,864,725.80 = 3,390,393.20 : x
  2. Step 2: Convert to fraction form
    5,909,817.20/8,864,725.80 = 3,390,393.20/x
  3. Step 3: Cross multiply
    5,909,817.20x = 8,864,725.80 × 3,390,393.20
  4. Step 4: Simplify right side
    5,909,817.20x = 30,054,906,072,184.56
  5. Step 5: Solve for x
    x = 30,054,906,072,184.56/5,909,817.20
  6. Step 6: Final answer
    x = 5,085,589.80

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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.