Finding the Fourth Proportional to 3,877,229.64, 5,350,670.70 and 2,158,466.34
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Solution
The fourth proportional to 3,877,229.64, 5,350,670.70 and 2,158,466.34 is: 2,978,735.77
Step by Step Solution
- Step 1: Write the proportion equation
3,877,229.64 : 5,350,670.70 = 2,158,466.34 : x - Step 2: Convert to fraction form
3,877,229.64/5,350,670.70 = 2,158,466.34/x - Step 3: Cross multiply
3,877,229.64x = 5,350,670.70 × 2,158,466.34 - Step 4: Simplify right side
3,877,229.64x = 11,549,242,602,374.24 - Step 5: Solve for x
x = 11,549,242,602,374.24/3,877,229.64 - Step 6: Final answer
x = 2,978,735.77
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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.