Finding the Fourth Proportional to 2,439,350.73, 3,366,206.51 and 1,351,638.09
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Solution
The fourth proportional to 2,439,350.73, 3,366,206.51 and 1,351,638.09 is: 1,865,206.54
Step by Step Solution
- Step 1: Write the proportion equation
2,439,350.73 : 3,366,206.51 = 1,351,638.09 : x - Step 2: Convert to fraction form
2,439,350.73/3,366,206.51 = 1,351,638.09/x - Step 3: Cross multiply
2,439,350.73x = 3,366,206.51 × 1,351,638.09 - Step 4: Simplify right side
2,439,350.73x = 4,549,892,930,963.78 - Step 5: Solve for x
x = 4,549,892,930,963.78/2,439,350.73 - Step 6: Final answer
x = 1,865,206.54
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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.