Home / 2,778,795.66-4,168,115.73-885,650.70

Finding the Fourth Proportional to 2,778,795.66, 4,168,115.73 and 885,650.70

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Solution

The fourth proportional to 2,778,795.66, 4,168,115.73 and 885,650.70 is: 1,328,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,795.66 : 4,168,115.73 = 885,650.70 : x
  2. Step 2: Convert to fraction form
    2,778,795.66/4,168,115.73 = 885,650.70/x
  3. Step 3: Cross multiply
    2,778,795.66x = 4,168,115.73 × 885,650.70
  4. Step 4: Simplify right side
    2,778,795.66x = 3,691,494,613,955.51
  5. Step 5: Solve for x
    x = 3,691,494,613,955.51/2,778,795.66
  6. Step 6: Final answer
    x = 1,328,451.27

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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.