Finding the Fourth Proportional to 7,060,743.67, 9,743,970.15 and 3,963,490.35
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Solution
The fourth proportional to 7,060,743.67, 9,743,970.15 and 3,963,490.35 is: 5,469,697.45
Step by Step Solution
- Step 1: Write the proportion equation
7,060,743.67 : 9,743,970.15 = 3,963,490.35 : x - Step 2: Convert to fraction form
7,060,743.67/9,743,970.15 = 3,963,490.35/x - Step 3: Cross multiply
7,060,743.67x = 9,743,970.15 × 3,963,490.35 - Step 4: Simplify right side
7,060,743.67x = 38,620,131,660,213.05 - Step 5: Solve for x
x = 38,620,131,660,213.05/7,060,743.67 - Step 6: Final answer
x = 5,469,697.45
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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.