Finding the Fourth Proportional to 1,631,688.42, 2,446,840.63 and 777,772.23
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Solution
The fourth proportional to 1,631,688.42, 2,446,840.63 and 777,772.23 is: 1,166,328.49
Step by Step Solution
- Step 1: Write the proportion equation
1,631,688.42 : 2,446,840.63 = 777,772.23 : x - Step 2: Convert to fraction form
1,631,688.42/2,446,840.63 = 777,772.23/x - Step 3: Cross multiply
1,631,688.42x = 2,446,840.63 × 777,772.23 - Step 4: Simplify right side
1,631,688.42x = 1,903,084,693,249.70 - Step 5: Solve for x
x = 1,903,084,693,249.70/1,631,688.42 - Step 6: Final answer
x = 1,166,328.49
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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.