Home / 1,930,317.20-2,895,821.40-808,499.60

Finding the Fourth Proportional to 1,930,317.20, 2,895,821.40 and 808,499.60

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Solution

The fourth proportional to 1,930,317.20, 2,895,821.40 and 808,499.60 is: 1,212,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,317.20 : 2,895,821.40 = 808,499.60 : x
  2. Step 2: Convert to fraction form
    1,930,317.20/2,895,821.40 = 808,499.60/x
  3. Step 3: Cross multiply
    1,930,317.20x = 2,895,821.40 × 808,499.60
  4. Step 4: Simplify right side
    1,930,317.20x = 2,341,270,443,571.44
  5. Step 5: Solve for x
    x = 2,341,270,443,571.44/1,930,317.20
  6. Step 6: Final answer
    x = 1,212,894.15

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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.