Home / 1,790,218.60-2,685,327.90-1,720,234.60

Finding the Fourth Proportional to 1,790,218.60, 2,685,327.90 and 1,720,234.60

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Solution

The fourth proportional to 1,790,218.60, 2,685,327.90 and 1,720,234.60 is: 2,580,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,218.60 : 2,685,327.90 = 1,720,234.60 : x
  2. Step 2: Convert to fraction form
    1,790,218.60/2,685,327.90 = 1,720,234.60/x
  3. Step 3: Cross multiply
    1,790,218.60x = 2,685,327.90 × 1,720,234.60
  4. Step 4: Simplify right side
    1,790,218.60x = 4,619,393,965,925.34
  5. Step 5: Solve for x
    x = 4,619,393,965,925.34/1,790,218.60
  6. Step 6: Final answer
    x = 2,580,351.90

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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.