Finding the Fourth Proportional to 7,851,702.74, 11,777,558.20 and 2,460,773.02
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Solution
The fourth proportional to 7,851,702.74, 11,777,558.20 and 2,460,773.02 is: 3,691,160.81
Step by Step Solution
- Step 1: Write the proportion equation
7,851,702.74 : 11,777,558.20 = 2,460,773.02 : x - Step 2: Convert to fraction form
7,851,702.74/11,777,558.20 = 2,460,773.02/x - Step 3: Cross multiply
7,851,702.74x = 11,777,558.20 × 2,460,773.02 - Step 4: Simplify right side
7,851,702.74x = 28,981,897,460,039.76 - Step 5: Solve for x
x = 28,981,897,460,039.76/7,851,702.74 - Step 6: Final answer
x = 3,691,160.81
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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.