Finding the Fourth Proportional to 3,788,409.29, 5,682,663.14 and 1,264,064.54
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Solution
The fourth proportional to 3,788,409.29, 5,682,663.14 and 1,264,064.54 is: 1,896,113.23
Step by Step Solution
- Step 1: Write the proportion equation
3,788,409.29 : 5,682,663.14 = 1,264,064.54 : x - Step 2: Convert to fraction form
3,788,409.29/5,682,663.14 = 1,264,064.54/x - Step 3: Cross multiply
3,788,409.29x = 5,682,663.14 × 1,264,064.54 - Step 4: Simplify right side
3,788,409.29x = 7,183,252,968,039.06 - Step 5: Solve for x
x = 7,183,252,968,039.06/3,788,409.29 - Step 6: Final answer
x = 1,896,113.23
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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.