Finding the Fourth Proportional to 3,798,256.32, 5,241,949.92 and 2,270,330.64
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Solution
The fourth proportional to 3,798,256.32, 5,241,949.92 and 2,270,330.64 is: 3,133,269.19
Step by Step Solution
- Step 1: Write the proportion equation
3,798,256.32 : 5,241,949.92 = 2,270,330.64 : x - Step 2: Convert to fraction form
3,798,256.32/5,241,949.92 = 2,270,330.64/x - Step 3: Cross multiply
3,798,256.32x = 5,241,949.92 × 2,270,330.64 - Step 4: Simplify right side
3,798,256.32x = 11,900,959,516,721.55 - Step 5: Solve for x
x = 11,900,959,516,721.55/3,798,256.32 - Step 6: Final answer
x = 3,133,269.19
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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.