Home / 2,958,712.80-4,435,007.40-1,608,021.60

Finding the Fourth Proportional to 2,958,712.80, 4,435,007.40 and 1,608,021.60

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Solution

The fourth proportional to 2,958,712.80, 4,435,007.40 and 1,608,021.60 is: 2,410,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958,712.80 : 4,435,007.40 = 1,608,021.60 : x
  2. Step 2: Convert to fraction form
    2,958,712.80/4,435,007.40 = 1,608,021.60/x
  3. Step 3: Cross multiply
    2,958,712.80x = 4,435,007.40 × 1,608,021.60
  4. Step 4: Simplify right side
    2,958,712.80x = 7,131,587,695,359.84
  5. Step 5: Solve for x
    x = 7,131,587,695,359.84/2,958,712.80
  6. Step 6: Final answer
    x = 2,410,368.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.