Finding the Fourth Proportional to 1,638,695.29, 2,261,409.26 and 950,776.84
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Solution
The fourth proportional to 1,638,695.29, 2,261,409.26 and 950,776.84 is: 1,312,077.69
Step by Step Solution
- Step 1: Write the proportion equation
1,638,695.29 : 2,261,409.26 = 950,776.84 : x - Step 2: Convert to fraction form
1,638,695.29/2,261,409.26 = 950,776.84/x - Step 3: Cross multiply
1,638,695.29x = 2,261,409.26 × 950,776.84 - Step 4: Simplify right side
1,638,695.29x = 2,150,095,538,196.05 - Step 5: Solve for x
x = 2,150,095,538,196.05/1,638,695.29 - Step 6: Final answer
x = 1,312,077.69
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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.