Finding the Fourth Proportional to 6,372,841.80, 8,794,409.76 and 3,472,253.40
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Solution
The fourth proportional to 6,372,841.80, 8,794,409.76 and 3,472,253.40 is: 4,791,648.71
Step by Step Solution
- Step 1: Write the proportion equation
6,372,841.80 : 8,794,409.76 = 3,472,253.40 : x - Step 2: Convert to fraction form
6,372,841.80/8,794,409.76 = 3,472,253.40/x - Step 3: Cross multiply
6,372,841.80x = 8,794,409.76 × 3,472,253.40 - Step 4: Simplify right side
6,372,841.80x = 30,536,419,190,153.18 - Step 5: Solve for x
x = 30,536,419,190,153.18/6,372,841.80 - Step 6: Final answer
x = 4,791,648.71
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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.