Home / 3,158,738.12-4,359,059.27-1,782,373.97

Finding the Fourth Proportional to 3,158,738.12, 4,359,059.27 and 1,782,373.97

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Solution

The fourth proportional to 3,158,738.12, 4,359,059.27 and 1,782,373.97 is: 2,459,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,738.12 : 4,359,059.27 = 1,782,373.97 : x
  2. Step 2: Convert to fraction form
    3,158,738.12/4,359,059.27 = 1,782,373.97/x
  3. Step 3: Cross multiply
    3,158,738.12x = 4,359,059.27 × 1,782,373.97
  4. Step 4: Simplify right side
    3,158,738.12x = 7,769,473,745,828.04
  5. Step 5: Solve for x
    x = 7,769,473,745,828.04/3,158,738.12
  6. Step 6: Final answer
    x = 2,459,676.45

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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.