Home / 2,680,919.83-3,698,183.95-1,699,055.65

Finding the Fourth Proportional to 2,680,919.83, 3,698,183.95 and 1,699,055.65

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Solution

The fourth proportional to 2,680,919.83, 3,698,183.95 and 1,699,055.65 is: 2,343,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,919.83 : 3,698,183.95 = 1,699,055.65 : x
  2. Step 2: Convert to fraction form
    2,680,919.83/3,698,183.95 = 1,699,055.65/x
  3. Step 3: Cross multiply
    2,680,919.83x = 3,698,183.95 × 1,699,055.65
  4. Step 4: Simplify right side
    2,680,919.83x = 6,283,420,334,986.82
  5. Step 5: Solve for x
    x = 6,283,420,334,986.82/2,680,919.83
  6. Step 6: Final answer
    x = 2,343,755.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.