Home / 2,698,672.80-4,048,462.80-805,605.60

Finding the Fourth Proportional to 2,698,672.80, 4,048,462.80 and 805,605.60

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Solution

The fourth proportional to 2,698,672.80, 4,048,462.80 and 805,605.60 is: 1,208,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,672.80 : 4,048,462.80 = 805,605.60 : x
  2. Step 2: Convert to fraction form
    2,698,672.80/4,048,462.80 = 805,605.60/x
  3. Step 3: Cross multiply
    2,698,672.80x = 4,048,462.80 × 805,605.60
  4. Step 4: Simplify right side
    2,698,672.80x = 3,261,464,303,071.68
  5. Step 5: Solve for x
    x = 3,261,464,303,071.68/2,698,672.80
  6. Step 6: Final answer
    x = 1,208,543.81

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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.