Finding the Fourth Proportional to 2,421,060.80, 3,631,202.40 and 737,772.80
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Solution
The fourth proportional to 2,421,060.80, 3,631,202.40 and 737,772.80 is: 1,106,540.72
Step by Step Solution
- Step 1: Write the proportion equation
2,421,060.80 : 3,631,202.40 = 737,772.80 : x - Step 2: Convert to fraction form
2,421,060.80/3,631,202.40 = 737,772.80/x - Step 3: Cross multiply
2,421,060.80x = 3,631,202.40 × 737,772.80 - Step 4: Simplify right side
2,421,060.80x = 2,679,002,362,014.72 - Step 5: Solve for x
x = 2,679,002,362,014.72/2,421,060.80 - Step 6: Final answer
x = 1,106,540.72
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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.