Finding the Fourth Proportional to 6,818,804.48, 9,410,176.14 and 3,721,497.32
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Solution
The fourth proportional to 6,818,804.48, 9,410,176.14 and 3,721,497.32 is: 5,135,789.62
Step by Step Solution
- Step 1: Write the proportion equation
6,818,804.48 : 9,410,176.14 = 3,721,497.32 : x - Step 2: Convert to fraction form
6,818,804.48/9,410,176.14 = 3,721,497.32/x - Step 3: Cross multiply
6,818,804.48x = 9,410,176.14 × 3,721,497.32 - Step 4: Simplify right side
6,818,804.48x = 35,019,945,285,737.95 - Step 5: Solve for x
x = 35,019,945,285,737.95/6,818,804.48 - Step 6: Final answer
x = 5,135,789.62
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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.