Finding the Fourth Proportional to 4,657,790.70, 6,986,686.05 and 1,463,239.80
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Solution
The fourth proportional to 4,657,790.70, 6,986,686.05 and 1,463,239.80 is: 2,194,859.70
Step by Step Solution
- Step 1: Write the proportion equation
4,657,790.70 : 6,986,686.05 = 1,463,239.80 : x - Step 2: Convert to fraction form
4,657,790.70/6,986,686.05 = 1,463,239.80/x - Step 3: Cross multiply
4,657,790.70x = 6,986,686.05 × 1,463,239.80 - Step 4: Simplify right side
4,657,790.70x = 10,223,197,098,464.79 - Step 5: Solve for x
x = 10,223,197,098,464.79/4,657,790.70 - Step 6: Final answer
x = 2,194,859.70
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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.