Home / 1,968,186.60-2,953,446.30-1,296,194.40

Finding the Fourth Proportional to 1,968,186.60, 2,953,446.30 and 1,296,194.40

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Solution

The fourth proportional to 1,968,186.60, 2,953,446.30 and 1,296,194.40 is: 1,945,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,186.60 : 2,953,446.30 = 1,296,194.40 : x
  2. Step 2: Convert to fraction form
    1,968,186.60/2,953,446.30 = 1,296,194.40/x
  3. Step 3: Cross multiply
    1,968,186.60x = 2,953,446.30 × 1,296,194.40
  4. Step 4: Simplify right side
    1,968,186.60x = 3,828,240,554,760.72
  5. Step 5: Solve for x
    x = 3,828,240,554,760.72/1,968,186.60
  6. Step 6: Final answer
    x = 1,945,059.76

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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.