Finding the Fourth Proportional to 1,625,170.49, 2,239,124.13 and 1,072,902.61
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Solution
The fourth proportional to 1,625,170.49, 2,239,124.13 and 1,072,902.61 is: 1,478,221.60
Step by Step Solution
- Step 1: Write the proportion equation
1,625,170.49 : 2,239,124.13 = 1,072,902.61 : x - Step 2: Convert to fraction form
1,625,170.49/2,239,124.13 = 1,072,902.61/x - Step 3: Cross multiply
1,625,170.49x = 2,239,124.13 × 1,072,902.61 - Step 4: Simplify right side
1,625,170.49x = 2,402,362,114,677.61 - Step 5: Solve for x
x = 2,402,362,114,677.61/1,625,170.49 - Step 6: Final answer
x = 1,478,221.60
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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.