Finding the Fourth Proportional to 4,954,302.70, 7,431,454.05 and 2,828,538.70
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Solution
The fourth proportional to 4,954,302.70, 7,431,454.05 and 2,828,538.70 is: 4,242,808.05
Step by Step Solution
- Step 1: Write the proportion equation
4,954,302.70 : 7,431,454.05 = 2,828,538.70 : x - Step 2: Convert to fraction form
4,954,302.70/7,431,454.05 = 2,828,538.70/x - Step 3: Cross multiply
4,954,302.70x = 7,431,454.05 × 2,828,538.70 - Step 4: Simplify right side
4,954,302.70x = 21,020,155,377,696.73 - Step 5: Solve for x
x = 21,020,155,377,696.73/4,954,302.70 - Step 6: Final answer
x = 4,242,808.05
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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.