Finding the Fourth Proportional to 5,403,698.56, 8,103,305.52 and 1,992,179.44
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Solution
The fourth proportional to 5,403,698.56, 8,103,305.52 and 1,992,179.44 is: 2,987,442.48
Step by Step Solution
- Step 1: Write the proportion equation
5,403,698.56 : 8,103,305.52 = 1,992,179.44 : x - Step 2: Convert to fraction form
5,403,698.56/8,103,305.52 = 1,992,179.44/x - Step 3: Cross multiply
5,403,698.56x = 8,103,305.52 × 1,992,179.44 - Step 4: Simplify right side
5,403,698.56x = 16,143,238,652,982.51 - Step 5: Solve for x
x = 16,143,238,652,982.51/5,403,698.56 - Step 6: Final answer
x = 2,987,442.48
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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.