Finding the Fourth Proportional to 5,269,143.68, 7,271,425.44 and 2,854,695.68
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Solution
The fourth proportional to 5,269,143.68, 7,271,425.44 and 2,854,695.68 is: 3,939,483.92
Step by Step Solution
- Step 1: Write the proportion equation
5,269,143.68 : 7,271,425.44 = 2,854,695.68 : x - Step 2: Convert to fraction form
5,269,143.68/7,271,425.44 = 2,854,695.68/x - Step 3: Cross multiply
5,269,143.68x = 7,271,425.44 × 2,854,695.68 - Step 4: Simplify right side
5,269,143.68x = 20,757,706,791,010.10 - Step 5: Solve for x
x = 20,757,706,791,010.10/5,269,143.68 - Step 6: Final answer
x = 3,939,483.92
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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.