Home / 1,991,635.38-2,748,444.30-1,132,195.86

Finding the Fourth Proportional to 1,991,635.38, 2,748,444.30 and 1,132,195.86

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Solution

The fourth proportional to 1,991,635.38, 2,748,444.30 and 1,132,195.86 is: 1,562,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,635.38 : 2,748,444.30 = 1,132,195.86 : x
  2. Step 2: Convert to fraction form
    1,991,635.38/2,748,444.30 = 1,132,195.86/x
  3. Step 3: Cross multiply
    1,991,635.38x = 2,748,444.30 × 1,132,195.86
  4. Step 4: Simplify right side
    1,991,635.38x = 3,111,777,257,900.60
  5. Step 5: Solve for x
    x = 3,111,777,257,900.60/1,991,635.38
  6. Step 6: Final answer
    x = 1,562,423.17

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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.