Home / 2,778,798.66-4,168,120.23-885,653.70

Finding the Fourth Proportional to 2,778,798.66, 4,168,120.23 and 885,653.70

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Solution

The fourth proportional to 2,778,798.66, 4,168,120.23 and 885,653.70 is: 1,328,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,798.66 : 4,168,120.23 = 885,653.70 : x
  2. Step 2: Convert to fraction form
    2,778,798.66/4,168,120.23 = 885,653.70/x
  3. Step 3: Cross multiply
    2,778,798.66x = 4,168,120.23 × 885,653.70
  4. Step 4: Simplify right side
    2,778,798.66x = 3,691,511,103,744.35
  5. Step 5: Solve for x
    x = 3,691,511,103,744.35/2,778,798.66
  6. Step 6: Final answer
    x = 1,328,455.77

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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.