Finding the Fourth Proportional to 2,345,638.68, 3,236,940.11 and 1,299,038.22
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Solution
The fourth proportional to 2,345,638.68, 3,236,940.11 and 1,299,038.22 is: 1,792,649.89
Step by Step Solution
- Step 1: Write the proportion equation
2,345,638.68 : 3,236,940.11 = 1,299,038.22 : x - Step 2: Convert to fraction form
2,345,638.68/3,236,940.11 = 1,299,038.22/x - Step 3: Cross multiply
2,345,638.68x = 3,236,940.11 × 1,299,038.22 - Step 4: Simplify right side
2,345,638.68x = 4,204,908,921,988.60 - Step 5: Solve for x
x = 4,204,908,921,988.60/2,345,638.68 - Step 6: Final answer
x = 1,792,649.89
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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.