Finding the Fourth Proportional to 1,563,110.49, 2,157,046.08 and 865,422.36
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Solution
The fourth proportional to 1,563,110.49, 2,157,046.08 and 865,422.36 is: 1,194,257.18
Step by Step Solution
- Step 1: Write the proportion equation
1,563,110.49 : 2,157,046.08 = 865,422.36 : x - Step 2: Convert to fraction form
1,563,110.49/2,157,046.08 = 865,422.36/x - Step 3: Cross multiply
1,563,110.49x = 2,157,046.08 × 865,422.36 - Step 4: Simplify right side
1,563,110.49x = 1,866,755,914,025.94 - Step 5: Solve for x
x = 1,866,755,914,025.94/1,563,110.49 - Step 6: Final answer
x = 1,194,257.18
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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.