Finding the Fourth Proportional to 5,205,321.68, 7,183,342.32 and 2,913,481.76
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Solution
The fourth proportional to 5,205,321.68, 7,183,342.32 and 2,913,481.76 is: 4,020,603.93
Step by Step Solution
- Step 1: Write the proportion equation
5,205,321.68 : 7,183,342.32 = 2,913,481.76 : x - Step 2: Convert to fraction form
5,205,321.68/7,183,342.32 = 2,913,481.76/x - Step 3: Cross multiply
5,205,321.68x = 7,183,342.32 × 2,913,481.76 - Step 4: Simplify right side
5,205,321.68x = 20,928,536,825,156.08 - Step 5: Solve for x
x = 20,928,536,825,156.08/5,205,321.68 - Step 6: Final answer
x = 4,020,603.93
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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.