Finding the Fourth Proportional to 4,914,612.37, 7,375,240.09 and 1,719,766.23
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Solution
The fourth proportional to 4,914,612.37, 7,375,240.09 and 1,719,766.23 is: 2,580,811.64
Step by Step Solution
- Step 1: Write the proportion equation
4,914,612.37 : 7,375,240.09 = 1,719,766.23 : x - Step 2: Convert to fraction form
4,914,612.37/7,375,240.09 = 1,719,766.23/x - Step 3: Cross multiply
4,914,612.37x = 7,375,240.09 × 1,719,766.23 - Step 4: Simplify right side
4,914,612.37x = 12,683,688,808,047.96 - Step 5: Solve for x
x = 12,683,688,808,047.96/4,914,612.37 - Step 6: Final answer
x = 2,580,811.64
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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.