Home / 5,394,409.20-7,444,299.60-2,947,042.80

Finding the Fourth Proportional to 5,394,409.20, 7,444,299.60 and 2,947,042.80

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Solution

The fourth proportional to 5,394,409.20, 7,444,299.60 and 2,947,042.80 is: 4,066,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394,409.20 : 7,444,299.60 = 2,947,042.80 : x
  2. Step 2: Convert to fraction form
    5,394,409.20/7,444,299.60 = 2,947,042.80/x
  3. Step 3: Cross multiply
    5,394,409.20x = 7,444,299.60 × 2,947,042.80
  4. Step 4: Simplify right side
    5,394,409.20x = 21,938,669,537,222.88
  5. Step 5: Solve for x
    x = 21,938,669,537,222.88/5,394,409.20
  6. Step 6: Final answer
    x = 4,066,927.21

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1.5x scale

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.