Finding the Fourth Proportional to 1,494,963.28, 2,062,402.14 and 914,211.80
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Solution
The fourth proportional to 1,494,963.28, 2,062,402.14 and 914,211.80 is: 1,261,216.51
Step by Step Solution
- Step 1: Write the proportion equation
1,494,963.28 : 2,062,402.14 = 914,211.80 : x - Step 2: Convert to fraction form
1,494,963.28/2,062,402.14 = 914,211.80/x - Step 3: Cross multiply
1,494,963.28x = 2,062,402.14 × 914,211.80 - Step 4: Simplify right side
1,494,963.28x = 1,885,472,372,733.25 - Step 5: Solve for x
x = 1,885,472,372,733.25/1,494,963.28 - Step 6: Final answer
x = 1,261,216.51
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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.