Finding the Fourth Proportional to 1,524,871.84, 2,104,316.40 and 871,486.96
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Solution
The fourth proportional to 1,524,871.84, 2,104,316.40 and 871,486.96 is: 1,202,648.15
Step by Step Solution
- Step 1: Write the proportion equation
1,524,871.84 : 2,104,316.40 = 871,486.96 : x - Step 2: Convert to fraction form
1,524,871.84/2,104,316.40 = 871,486.96/x - Step 3: Cross multiply
1,524,871.84x = 2,104,316.40 × 871,486.96 - Step 4: Simplify right side
1,524,871.84x = 1,833,884,302,314.14 - Step 5: Solve for x
x = 1,833,884,302,314.14/1,524,871.84 - Step 6: Final answer
x = 1,202,648.15
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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.