Finding the Fourth Proportional to 3,541,351.70, 5,301,031.52 and 1,918,088.96
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Solution
The fourth proportional to 3,541,351.70, 5,301,031.52 and 1,918,088.96 is: 2,871,177.70
Step by Step Solution
- Step 1: Write the proportion equation
3,541,351.70 : 5,301,031.52 = 1,918,088.96 : x - Step 2: Convert to fraction form
3,541,351.70/5,301,031.52 = 1,918,088.96/x - Step 3: Cross multiply
3,541,351.70x = 5,301,031.52 × 1,918,088.96 - Step 4: Simplify right side
3,541,351.70x = 10,167,850,035,124.02 - Step 5: Solve for x
x = 10,167,850,035,124.02/3,541,351.70 - Step 6: Final answer
x = 2,871,177.70
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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.