Home / 2,155,389.95-3,226,629.33-2,078,739.86

Finding the Fourth Proportional to 2,155,389.95, 3,226,629.33 and 2,078,739.86

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Solution

The fourth proportional to 2,155,389.95, 3,226,629.33 and 2,078,739.86 is: 3,111,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,389.95 : 3,226,629.33 = 2,078,739.86 : x
  2. Step 2: Convert to fraction form
    2,155,389.95/3,226,629.33 = 2,078,739.86/x
  3. Step 3: Cross multiply
    2,155,389.95x = 3,226,629.33 × 2,078,739.86
  4. Step 4: Simplify right side
    2,155,389.95x = 6,707,322,985,582.95
  5. Step 5: Solve for x
    x = 6,707,322,985,582.95/2,155,389.95
  6. Step 6: Final answer
    x = 3,111,883.76

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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.