Home / 1,921,312.44-2,651,733.72-1,300,836.24

Finding the Fourth Proportional to 1,921,312.44, 2,651,733.72 and 1,300,836.24

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Solution

The fourth proportional to 1,921,312.44, 2,651,733.72 and 1,300,836.24 is: 1,795,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,312.44 : 2,651,733.72 = 1,300,836.24 : x
  2. Step 2: Convert to fraction form
    1,921,312.44/2,651,733.72 = 1,300,836.24/x
  3. Step 3: Cross multiply
    1,921,312.44x = 2,651,733.72 × 1,300,836.24
  4. Step 4: Simplify right side
    1,921,312.44x = 3,449,471,321,806.01
  5. Step 5: Solve for x
    x = 3,449,471,321,806.01/1,921,312.44
  6. Step 6: Final answer
    x = 1,795,372.40

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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.