Finding the Fourth Proportional to 5,358,447.49, 7,394,709.36 and 2,911,076.05
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Solution
The fourth proportional to 5,358,447.49, 7,394,709.36 and 2,911,076.05 is: 4,017,313.10
Step by Step Solution
- Step 1: Write the proportion equation
5,358,447.49 : 7,394,709.36 = 2,911,076.05 : x - Step 2: Convert to fraction form
5,358,447.49/7,394,709.36 = 2,911,076.05/x - Step 3: Cross multiply
5,358,447.49x = 7,394,709.36 × 2,911,076.05 - Step 4: Simplify right side
5,358,447.49x = 21,526,561,263,077.90 - Step 5: Solve for x
x = 21,526,561,263,077.90/5,358,447.49 - Step 6: Final answer
x = 4,017,313.10
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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.