Finding the Fourth Proportional to 2,448,420.68, 3,377,772.42 and 1,529,053.72
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Solution
The fourth proportional to 2,448,420.68, 3,377,772.42 and 1,529,053.72 is: 2,109,439.58
Step by Step Solution
- Step 1: Write the proportion equation
2,448,420.68 : 3,377,772.42 = 1,529,053.72 : x - Step 2: Convert to fraction form
2,448,420.68/3,377,772.42 = 1,529,053.72/x - Step 3: Cross multiply
2,448,420.68x = 3,377,772.42 × 1,529,053.72 - Step 4: Simplify right side
2,448,420.68x = 5,164,795,484,114.40 - Step 5: Solve for x
x = 5,164,795,484,114.40/2,448,420.68 - Step 6: Final answer
x = 2,109,439.58
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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.