Finding the Fourth Proportional to 3,929,918.67, 5,894,877.51 and 1,090,030.82
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Solution
The fourth proportional to 3,929,918.67, 5,894,877.51 and 1,090,030.82 is: 1,635,046.09
Step by Step Solution
- Step 1: Write the proportion equation
3,929,918.67 : 5,894,877.51 = 1,090,030.82 : x - Step 2: Convert to fraction form
3,929,918.67/5,894,877.51 = 1,090,030.82/x - Step 3: Cross multiply
3,929,918.67x = 5,894,877.51 × 1,090,030.82 - Step 4: Simplify right side
3,929,918.67x = 6,425,598,136,550.47 - Step 5: Solve for x
x = 6,425,598,136,550.47/3,929,918.67 - Step 6: Final answer
x = 1,635,046.09
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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.