Finding the Fourth Proportional to 1,692,561.44, 2,539,474.17 and 681,970.10
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Solution
The fourth proportional to 1,692,561.44, 2,539,474.17 and 681,970.10 is: 1,023,209.80
Step by Step Solution
- Step 1: Write the proportion equation
1,692,561.44 : 2,539,474.17 = 681,970.10 : x - Step 2: Convert to fraction form
1,692,561.44/2,539,474.17 = 681,970.10/x - Step 3: Cross multiply
1,692,561.44x = 2,539,474.17 × 681,970.10 - Step 4: Simplify right side
1,692,561.44x = 1,731,845,453,662.32 - Step 5: Solve for x
x = 1,731,845,453,662.32/1,692,561.44 - Step 6: Final answer
x = 1,023,209.80
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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.