Finding the Fourth Proportional to 2,212,987.80, 3,319,481.70 and 2,017,032.60
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Solution
The fourth proportional to 2,212,987.80, 3,319,481.70 and 2,017,032.60 is: 3,025,548.90
Step by Step Solution
- Step 1: Write the proportion equation
2,212,987.80 : 3,319,481.70 = 2,017,032.60 : x - Step 2: Convert to fraction form
2,212,987.80/3,319,481.70 = 2,017,032.60/x - Step 3: Cross multiply
2,212,987.80x = 3,319,481.70 × 2,017,032.60 - Step 4: Simplify right side
2,212,987.80x = 6,695,502,804,003.42 - Step 5: Solve for x
x = 6,695,502,804,003.42/2,212,987.80 - Step 6: Final answer
x = 3,025,548.90
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Similar ratio
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1.5x scale
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.