Finding the Fourth Proportional to 1,692,378.50, 2,335,440.18 and 947,293.88
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Solution
The fourth proportional to 1,692,378.50, 2,335,440.18 and 947,293.88 is: 1,307,241.96
Step by Step Solution
- Step 1: Write the proportion equation
1,692,378.50 : 2,335,440.18 = 947,293.88 : x - Step 2: Convert to fraction form
1,692,378.50/2,335,440.18 = 947,293.88/x - Step 3: Cross multiply
1,692,378.50x = 2,335,440.18 × 947,293.88 - Step 4: Simplify right side
1,692,378.50x = 2,212,348,189,620.10 - Step 5: Solve for x
x = 2,212,348,189,620.10/1,692,378.50 - Step 6: Final answer
x = 1,307,241.96
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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.