Home / 5,430,854.70-7,493,747.10-3,138,573.06

Finding the Fourth Proportional to 5,430,854.70, 7,493,747.10 and 3,138,573.06

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Solution

The fourth proportional to 5,430,854.70, 7,493,747.10 and 3,138,573.06 is: 4,330,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,854.70 : 7,493,747.10 = 3,138,573.06 : x
  2. Step 2: Convert to fraction form
    5,430,854.70/7,493,747.10 = 3,138,573.06/x
  3. Step 3: Cross multiply
    5,430,854.70x = 7,493,747.10 × 3,138,573.06
  4. Step 4: Simplify right side
    5,430,854.70x = 23,519,672,766,513.12
  5. Step 5: Solve for x
    x = 23,519,672,766,513.12/5,430,854.70
  6. Step 6: Final answer
    x = 4,330,749.77

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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.