Finding the Fourth Proportional to 4,958,856.96, 6,842,696.76 and 2,783,639.76
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Solution
The fourth proportional to 4,958,856.96, 6,842,696.76 and 2,783,639.76 is: 3,841,127.69
Step by Step Solution
- Step 1: Write the proportion equation
4,958,856.96 : 6,842,696.76 = 2,783,639.76 : x - Step 2: Convert to fraction form
4,958,856.96/6,842,696.76 = 2,783,639.76/x - Step 3: Cross multiply
4,958,856.96x = 6,842,696.76 × 2,783,639.76 - Step 4: Simplify right side
4,958,856.96x = 19,047,602,766,759.18 - Step 5: Solve for x
x = 19,047,602,766,759.18/4,958,856.96 - Step 6: Final answer
x = 3,841,127.69
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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.