Home / 5,390,911.66-7,439,759.38-2,943,749.80

Finding the Fourth Proportional to 5,390,911.66, 7,439,759.38 and 2,943,749.80

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Solution

The fourth proportional to 5,390,911.66, 7,439,759.38 and 2,943,749.80 is: 4,062,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,911.66 : 7,439,759.38 = 2,943,749.80 : x
  2. Step 2: Convert to fraction form
    5,390,911.66/7,439,759.38 = 2,943,749.80/x
  3. Step 3: Cross multiply
    5,390,911.66x = 7,439,759.38 × 2,943,749.80
  4. Step 4: Simplify right side
    5,390,911.66x = 21,900,790,186,923.12
  5. Step 5: Solve for x
    x = 21,900,790,186,923.12/5,390,911.66
  6. Step 6: Final answer
    x = 4,062,539.25

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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.