Finding the Fourth Proportional to 5,228,553.80, 7,836,998.70 and 2,032,617.80
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Solution
The fourth proportional to 5,228,553.80, 7,836,998.70 and 2,032,617.80 is: 3,046,659.49
Step by Step Solution
- Step 1: Write the proportion equation
5,228,553.80 : 7,836,998.70 = 2,032,617.80 : x - Step 2: Convert to fraction form
5,228,553.80/7,836,998.70 = 2,032,617.80/x - Step 3: Cross multiply
5,228,553.80x = 7,836,998.70 × 2,032,617.80 - Step 4: Simplify right side
5,228,553.80x = 15,929,623,056,196.86 - Step 5: Solve for x
x = 15,929,623,056,196.86/5,228,553.80 - Step 6: Final answer
x = 3,046,659.49
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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.