Finding the Fourth Proportional to 5,377,292.64, 7,420,570.05 and 2,929,923.92
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Solution
The fourth proportional to 5,377,292.64, 7,420,570.05 and 2,929,923.92 is: 4,043,243.90
Step by Step Solution
- Step 1: Write the proportion equation
5,377,292.64 : 7,420,570.05 = 2,929,923.92 : x - Step 2: Convert to fraction form
5,377,292.64/7,420,570.05 = 2,929,923.92/x - Step 3: Cross multiply
5,377,292.64x = 7,420,570.05 × 2,929,923.92 - Step 4: Simplify right side
5,377,292.64x = 21,741,705,652,427.75 - Step 5: Solve for x
x = 21,741,705,652,427.75/5,377,292.64 - Step 6: Final answer
x = 4,043,243.90
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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.