Finding the Fourth Proportional to 3,232,968.11, 4,461,410.17 and 1,782,638.99
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Solution
The fourth proportional to 3,232,968.11, 4,461,410.17 and 1,782,638.99 is: 2,459,994.48
Step by Step Solution
- Step 1: Write the proportion equation
3,232,968.11 : 4,461,410.17 = 1,782,638.99 : x - Step 2: Convert to fraction form
3,232,968.11/4,461,410.17 = 1,782,638.99/x - Step 3: Cross multiply
3,232,968.11x = 4,461,410.17 × 1,782,638.99 - Step 4: Simplify right side
3,232,968.11x = 7,953,083,719,424.53 - Step 5: Solve for x
x = 7,953,083,719,424.53/3,232,968.11 - Step 6: Final answer
x = 2,459,994.48
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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.