Finding the Fourth Proportional to 3,391,091.74, 4,678,549.11 and 2,101,461.58
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Solution
The fourth proportional to 3,391,091.74, 4,678,549.11 and 2,101,461.58 is: 2,899,299.68
Step by Step Solution
- Step 1: Write the proportion equation
3,391,091.74 : 4,678,549.11 = 2,101,461.58 : x - Step 2: Convert to fraction form
3,391,091.74/4,678,549.11 = 2,101,461.58/x - Step 3: Cross multiply
3,391,091.74x = 4,678,549.11 × 2,101,461.58 - Step 4: Simplify right side
3,391,091.74x = 9,831,791,193,111.82 - Step 5: Solve for x
x = 9,831,791,193,111.82/3,391,091.74 - Step 6: Final answer
x = 2,899,299.68
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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.