Finding the Fourth Proportional to 1,657,945.94, 2,486,918.68 and 459,868.26
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Solution
The fourth proportional to 1,657,945.94, 2,486,918.68 and 459,868.26 is: 689,802.33
Step by Step Solution
- Step 1: Write the proportion equation
1,657,945.94 : 2,486,918.68 = 459,868.26 : x - Step 2: Convert to fraction form
1,657,945.94/2,486,918.68 = 459,868.26/x - Step 3: Cross multiply
1,657,945.94x = 2,486,918.68 × 459,868.26 - Step 4: Simplify right side
1,657,945.94x = 1,143,654,966,133.10 - Step 5: Solve for x
x = 1,143,654,966,133.10/1,657,945.94 - Step 6: Final answer
x = 689,802.33
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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.