Home / 1,771,390.20-2,664,083.70-1,589,431.80

Finding the Fourth Proportional to 1,771,390.20, 2,664,083.70 and 1,589,431.80

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Solution

The fourth proportional to 1,771,390.20, 2,664,083.70 and 1,589,431.80 is: 2,390,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,390.20 : 2,664,083.70 = 1,589,431.80 : x
  2. Step 2: Convert to fraction form
    1,771,390.20/2,664,083.70 = 1,589,431.80/x
  3. Step 3: Cross multiply
    1,771,390.20x = 2,664,083.70 × 1,589,431.80
  4. Step 4: Simplify right side
    1,771,390.20x = 4,234,379,350,641.66
  5. Step 5: Solve for x
    x = 4,234,379,350,641.66/1,771,390.20
  6. Step 6: Final answer
    x = 2,390,427.22

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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.