Finding the Fourth Proportional to 1,692,560.44, 2,539,472.67 and 681,969.10
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Solution
The fourth proportional to 1,692,560.44, 2,539,472.67 and 681,969.10 is: 1,023,208.29
Step by Step Solution
- Step 1: Write the proportion equation
1,692,560.44 : 2,539,472.67 = 681,969.10 : x - Step 2: Convert to fraction form
1,692,560.44/2,539,472.67 = 681,969.10/x - Step 3: Cross multiply
1,692,560.44x = 2,539,472.67 × 681,969.10 - Step 4: Simplify right side
1,692,560.44x = 1,731,841,875,127.29 - Step 5: Solve for x
x = 1,731,841,875,127.29/1,692,560.44 - Step 6: Final answer
x = 1,023,208.29
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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.