Home / 1,930,435.20-2,895,998.40-808,617.60

Finding the Fourth Proportional to 1,930,435.20, 2,895,998.40 and 808,617.60

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Solution

The fourth proportional to 1,930,435.20, 2,895,998.40 and 808,617.60 is: 1,213,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,435.20 : 2,895,998.40 = 808,617.60 : x
  2. Step 2: Convert to fraction form
    1,930,435.20/2,895,998.40 = 808,617.60/x
  3. Step 3: Cross multiply
    1,930,435.20x = 2,895,998.40 × 808,617.60
  4. Step 4: Simplify right side
    1,930,435.20x = 2,341,755,275,811.84
  5. Step 5: Solve for x
    x = 2,341,755,275,811.84/1,930,435.20
  6. Step 6: Final answer
    x = 1,213,071.16

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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.