Finding the Fourth Proportional to 5,360,533.90, 8,042,301.68 and 2,167,902.09
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Solution
The fourth proportional to 5,360,533.90, 8,042,301.68 and 2,167,902.09 is: 3,252,460.10
Step by Step Solution
- Step 1: Write the proportion equation
5,360,533.90 : 8,042,301.68 = 2,167,902.09 : x - Step 2: Convert to fraction form
5,360,533.90/8,042,301.68 = 2,167,902.09/x - Step 3: Cross multiply
5,360,533.90x = 8,042,301.68 × 2,167,902.09 - Step 4: Simplify right side
5,360,533.90x = 17,434,922,609,643 - Step 5: Solve for x
x = 17,434,922,609,643/5,360,533.90 - Step 6: Final answer
x = 3,252,460.10
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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.