Finding the Fourth Proportional to 1,657,388.70, 2,287,173.44 and 932,236.91
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Solution
The fourth proportional to 1,657,388.70, 2,287,173.44 and 932,236.91 is: 1,286,474.02
Step by Step Solution
- Step 1: Write the proportion equation
1,657,388.70 : 2,287,173.44 = 932,236.91 : x - Step 2: Convert to fraction form
1,657,388.70/2,287,173.44 = 932,236.91/x - Step 3: Cross multiply
1,657,388.70x = 2,287,173.44 × 932,236.91 - Step 4: Simplify right side
1,657,388.70x = 2,132,187,499,811.30 - Step 5: Solve for x
x = 2,132,187,499,811.30/1,657,388.70 - Step 6: Final answer
x = 1,286,474.02
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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.