Finding the Fourth Proportional to 2,997,397.81, 4,497,572.97 and 1,399,728.70
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Solution
The fourth proportional to 2,997,397.81, 4,497,572.97 and 1,399,728.70 is: 2,100,282.43
Step by Step Solution
- Step 1: Write the proportion equation
2,997,397.81 : 4,497,572.97 = 1,399,728.70 : x - Step 2: Convert to fraction form
2,997,397.81/4,497,572.97 = 1,399,728.70/x - Step 3: Cross multiply
2,997,397.81x = 4,497,572.97 × 1,399,728.70 - Step 4: Simplify right side
2,997,397.81x = 6,295,381,955,209.31 - Step 5: Solve for x
x = 6,295,381,955,209.31/2,997,397.81 - Step 6: Final answer
x = 2,100,282.43
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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.