Finding the Fourth Proportional to 5,114,387.59, 7,060,156.55 and 3,373,089.99
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Solution
The fourth proportional to 5,114,387.59, 7,060,156.55 and 3,373,089.99 is: 4,656,382.21
Step by Step Solution
- Step 1: Write the proportion equation
5,114,387.59 : 7,060,156.55 = 3,373,089.99 : x - Step 2: Convert to fraction form
5,114,387.59/7,060,156.55 = 3,373,089.99/x - Step 3: Cross multiply
5,114,387.59x = 7,060,156.55 × 3,373,089.99 - Step 4: Simplify right side
5,114,387.59x = 23,814,543,365,432.46 - Step 5: Solve for x
x = 23,814,543,365,432.46/5,114,387.59 - Step 6: Final answer
x = 4,656,382.21
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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.