Finding the Fourth Proportional to 7,641,436.42, 10,545,021.21 and 4,203,614.98
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Solution
The fourth proportional to 7,641,436.42, 10,545,021.21 and 4,203,614.98 is: 5,800,900.08
Step by Step Solution
- Step 1: Write the proportion equation
7,641,436.42 : 10,545,021.21 = 4,203,614.98 : x - Step 2: Convert to fraction form
7,641,436.42/10,545,021.21 = 4,203,614.98/x - Step 3: Cross multiply
7,641,436.42x = 10,545,021.21 × 4,203,614.98 - Step 4: Simplify right side
7,641,436.42x = 44,327,209,122,773.73 - Step 5: Solve for x
x = 44,327,209,122,773.73/7,641,436.42 - Step 6: Final answer
x = 5,800,900.08
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1.5x scale
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.