Finding the Fourth Proportional to 2,997,400.81, 4,497,577.47 and 1,399,731.70
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Solution
The fourth proportional to 2,997,400.81, 4,497,577.47 and 1,399,731.70 is: 2,100,286.93
Step by Step Solution
- Step 1: Write the proportion equation
2,997,400.81 : 4,497,577.47 = 1,399,731.70 : x - Step 2: Convert to fraction form
2,997,400.81/4,497,577.47 = 1,399,731.70/x - Step 3: Cross multiply
2,997,400.81x = 4,497,577.47 × 1,399,731.70 - Step 4: Simplify right side
2,997,400.81x = 6,295,401,757,964.80 - Step 5: Solve for x
x = 6,295,401,757,964.80/2,997,400.81 - Step 6: Final answer
x = 2,100,286.93
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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.