Finding the Fourth Proportional to 5,063,297.90, 6,987,394.67 and 2,887,951.23
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Solution
The fourth proportional to 5,063,297.90, 6,987,394.67 and 2,887,951.23 is: 3,985,397.55
Step by Step Solution
- Step 1: Write the proportion equation
5,063,297.90 : 6,987,394.67 = 2,887,951.23 : x - Step 2: Convert to fraction form
5,063,297.90/6,987,394.67 = 2,887,951.23/x - Step 3: Cross multiply
5,063,297.90x = 6,987,394.67 × 2,887,951.23 - Step 4: Simplify right side
5,063,297.90x = 20,179,255,017,282.19 - Step 5: Solve for x
x = 20,179,255,017,282.19/5,063,297.90 - Step 6: Final answer
x = 3,985,397.55
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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.