Home / 1,970,218.56-2,718,925.92-1,110,607.68

Finding the Fourth Proportional to 1,970,218.56, 2,718,925.92 and 1,110,607.68

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Solution

The fourth proportional to 1,970,218.56, 2,718,925.92 and 1,110,607.68 is: 1,532,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,218.56 : 2,718,925.92 = 1,110,607.68 : x
  2. Step 2: Convert to fraction form
    1,970,218.56/2,718,925.92 = 1,110,607.68/x
  3. Step 3: Cross multiply
    1,970,218.56x = 2,718,925.92 × 1,110,607.68
  4. Step 4: Simplify right side
    1,970,218.56x = 3,019,660,008,103.07
  5. Step 5: Solve for x
    x = 3,019,660,008,103.07/1,970,218.56
  6. Step 6: Final answer
    x = 1,532,652.30

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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.