Finding the Fourth Proportional to 2,136,662.31, 2,948,481.99 and 1,169,607.36
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Solution
The fourth proportional to 2,136,662.31, 2,948,481.99 and 1,169,607.36 is: 1,613,996.85
Step by Step Solution
- Step 1: Write the proportion equation
2,136,662.31 : 2,948,481.99 = 1,169,607.36 : x - Step 2: Convert to fraction form
2,136,662.31/2,948,481.99 = 1,169,607.36/x - Step 3: Cross multiply
2,136,662.31x = 2,948,481.99 × 1,169,607.36 - Step 4: Simplify right side
2,136,662.31x = 3,448,566,236,331.45 - Step 5: Solve for x
x = 3,448,566,236,331.45/2,136,662.31 - Step 6: Final answer
x = 1,613,996.85
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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.