Finding the Fourth Proportional to 3,845,827.98, 5,307,349.10 and 2,127,057.39
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Solution
The fourth proportional to 3,845,827.98, 5,307,349.10 and 2,127,057.39 is: 2,935,398.09
Step by Step Solution
- Step 1: Write the proportion equation
3,845,827.98 : 5,307,349.10 = 2,127,057.39 : x - Step 2: Convert to fraction form
3,845,827.98/5,307,349.10 = 2,127,057.39/x - Step 3: Cross multiply
3,845,827.98x = 5,307,349.10 × 2,127,057.39 - Step 4: Simplify right side
3,845,827.98x = 11,289,036,113,829.56 - Step 5: Solve for x
x = 11,289,036,113,829.56/3,845,827.98 - Step 6: Final answer
x = 2,935,398.09
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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.