Finding the Fourth Proportional to 1,551,738.94, 2,141,261.13 and 863,387.98
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Solution
The fourth proportional to 1,551,738.94, 2,141,261.13 and 863,387.98 is: 1,191,398.29
Step by Step Solution
- Step 1: Write the proportion equation
1,551,738.94 : 2,141,261.13 = 863,387.98 : x - Step 2: Convert to fraction form
1,551,738.94/2,141,261.13 = 863,387.98/x - Step 3: Cross multiply
1,551,738.94x = 2,141,261.13 × 863,387.98 - Step 4: Simplify right side
1,551,738.94x = 1,848,739,121,683.22 - Step 5: Solve for x
x = 1,848,739,121,683.22/1,551,738.94 - Step 6: Final answer
x = 1,191,398.29
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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.