Finding the Fourth Proportional to 4,389,644.80, 6,057,944.88 and 2,455,790.08
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Solution
The fourth proportional to 4,389,644.80, 6,057,944.88 and 2,455,790.08 is: 3,389,121.81
Step by Step Solution
- Step 1: Write the proportion equation
4,389,644.80 : 6,057,944.88 = 2,455,790.08 : x - Step 2: Convert to fraction form
4,389,644.80/6,057,944.88 = 2,455,790.08/x - Step 3: Cross multiply
4,389,644.80x = 6,057,944.88 × 2,455,790.08 - Step 4: Simplify right side
4,389,644.80x = 14,877,040,941,490.79 - Step 5: Solve for x
x = 14,877,040,941,490.79/4,389,644.80 - Step 6: Final answer
x = 3,389,121.81
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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.