Finding the Fourth Proportional to 5,009,207.74, 6,912,719.99 and 2,717,368.43
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Solution
The fourth proportional to 5,009,207.74, 6,912,719.99 and 2,717,368.43 is: 3,749,975.65
Step by Step Solution
- Step 1: Write the proportion equation
5,009,207.74 : 6,912,719.99 = 2,717,368.43 : x - Step 2: Convert to fraction form
5,009,207.74/6,912,719.99 = 2,717,368.43/x - Step 3: Cross multiply
5,009,207.74x = 6,912,719.99 × 2,717,368.43 - Step 4: Simplify right side
5,009,207.74x = 18,784,407,066,255.92 - Step 5: Solve for x
x = 18,784,407,066,255.92/5,009,207.74 - Step 6: Final answer
x = 3,749,975.65
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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.