Finding the Fourth Proportional to 3,389,602.68, 5,084,402.40 and 865,257.12
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Solution
The fourth proportional to 3,389,602.68, 5,084,402.40 and 865,257.12 is: 1,297,885.27
Step by Step Solution
- Step 1: Write the proportion equation
3,389,602.68 : 5,084,402.40 = 865,257.12 : x - Step 2: Convert to fraction form
3,389,602.68/5,084,402.40 = 865,257.12/x - Step 3: Cross multiply
3,389,602.68x = 5,084,402.40 × 865,257.12 - Step 4: Simplify right side
3,389,602.68x = 4,399,315,377,545.09 - Step 5: Solve for x
x = 4,399,315,377,545.09/3,389,602.68 - Step 6: Final answer
x = 1,297,885.27
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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.