Home / 5,637,905.80-8,439,578.70-3,105,809.80

Finding the Fourth Proportional to 5,637,905.80, 8,439,578.70 and 3,105,809.80

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Solution

The fourth proportional to 5,637,905.80, 8,439,578.70 and 3,105,809.80 is: 4,649,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637,905.80 : 8,439,578.70 = 3,105,809.80 : x
  2. Step 2: Convert to fraction form
    5,637,905.80/8,439,578.70 = 3,105,809.80/x
  3. Step 3: Cross multiply
    5,637,905.80x = 8,439,578.70 × 3,105,809.80
  4. Step 4: Simplify right side
    5,637,905.80x = 26,211,726,234,331.26
  5. Step 5: Solve for x
    x = 26,211,726,234,331.26/5,637,905.80
  6. Step 6: Final answer
    x = 4,649,195.49

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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.