Finding the Fourth Proportional to 5,372,264.90, 8,052,176.55 and 2,175,292.10
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Solution
The fourth proportional to 5,372,264.90, 8,052,176.55 and 2,175,292.10 is: 3,260,419.28
Step by Step Solution
- Step 1: Write the proportion equation
5,372,264.90 : 8,052,176.55 = 2,175,292.10 : x - Step 2: Convert to fraction form
5,372,264.90/8,052,176.55 = 2,175,292.10/x - Step 3: Cross multiply
5,372,264.90x = 8,052,176.55 × 2,175,292.10 - Step 4: Simplify right side
5,372,264.90x = 17,515,836,037,020.26 - Step 5: Solve for x
x = 17,515,836,037,020.26/5,372,264.90 - Step 6: Final answer
x = 3,260,419.28
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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.