Finding the Fourth Proportional to 2,558,747.70, 3,531,088.98 and 1,397,202.03
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Solution
The fourth proportional to 2,558,747.70, 3,531,088.98 and 1,397,202.03 is: 1,928,148.17
Step by Step Solution
- Step 1: Write the proportion equation
2,558,747.70 : 3,531,088.98 = 1,397,202.03 : x - Step 2: Convert to fraction form
2,558,747.70/3,531,088.98 = 1,397,202.03/x - Step 3: Cross multiply
2,558,747.70x = 3,531,088.98 × 1,397,202.03 - Step 4: Simplify right side
2,558,747.70x = 4,933,644,690,966.63 - Step 5: Solve for x
x = 4,933,644,690,966.63/2,558,747.70 - Step 6: Final answer
x = 1,928,148.17
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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.