Home / 1,968,427.20-2,716,429.52-1,063,009.12

Finding the Fourth Proportional to 1,968,427.20, 2,716,429.52 and 1,063,009.12

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Solution

The fourth proportional to 1,968,427.20, 2,716,429.52 and 1,063,009.12 is: 1,466,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,427.20 : 2,716,429.52 = 1,063,009.12 : x
  2. Step 2: Convert to fraction form
    1,968,427.20/2,716,429.52 = 1,063,009.12/x
  3. Step 3: Cross multiply
    1,968,427.20x = 2,716,429.52 × 1,063,009.12
  4. Step 4: Simplify right side
    1,968,427.20x = 2,887,589,353,597.22
  5. Step 5: Solve for x
    x = 2,887,589,353,597.22/1,968,427.20
  6. Step 6: Final answer
    x = 1,466,952.58

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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.