Finding the Fourth Proportional to 1,478,594, 2,217,971.71 and 467,640.49
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Solution
The fourth proportional to 1,478,594, 2,217,971.71 and 467,640.49 is: 701,486.26
Step by Step Solution
- Step 1: Write the proportion equation
1,478,594 : 2,217,971.71 = 467,640.49 : x - Step 2: Convert to fraction form
1,478,594/2,217,971.71 = 467,640.49/x - Step 3: Cross multiply
1,478,594x = 2,217,971.71 × 467,640.49 - Step 4: Simplify right side
1,478,594x = 1,037,213,377,270.54 - Step 5: Solve for x
x = 1,037,213,377,270.54/1,478,594 - Step 6: Final answer
x = 701,486.26
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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.