Finding the Fourth Proportional to 2,661,908.68, 3,992,804.70 and 742,768.76
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Solution
The fourth proportional to 2,661,908.68, 3,992,804.70 and 742,768.76 is: 1,114,136.87
Step by Step Solution
- Step 1: Write the proportion equation
2,661,908.68 : 3,992,804.70 = 742,768.76 : x - Step 2: Convert to fraction form
2,661,908.68/3,992,804.70 = 742,768.76/x - Step 3: Cross multiply
2,661,908.68x = 3,992,804.70 × 742,768.76 - Step 4: Simplify right side
2,661,908.68x = 2,965,730,595,941.17 - Step 5: Solve for x
x = 2,965,730,595,941.17/2,661,908.68 - Step 6: Final answer
x = 1,114,136.87
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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.