Finding the Fourth Proportional to 5,012,146.40, 6,916,764.96 and 2,720,307.02
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Solution
The fourth proportional to 5,012,146.40, 6,916,764.96 and 2,720,307.02 is: 3,754,025.27
Step by Step Solution
- Step 1: Write the proportion equation
5,012,146.40 : 6,916,764.96 = 2,720,307.02 : x - Step 2: Convert to fraction form
5,012,146.40/6,916,764.96 = 2,720,307.02/x - Step 3: Cross multiply
5,012,146.40x = 6,916,764.96 × 2,720,307.02 - Step 4: Simplify right side
5,012,146.40x = 18,815,724,241,794.20 - Step 5: Solve for x
x = 18,815,724,241,794.20/5,012,146.40 - Step 6: Final answer
x = 3,754,025.27
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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.