Finding the Fourth Proportional to 1,823,084.40, 2,515,918.68 and 1,144,395.12
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Solution
The fourth proportional to 1,823,084.40, 2,515,918.68 and 1,144,395.12 is: 1,579,304.32
Step by Step Solution
- Step 1: Write the proportion equation
1,823,084.40 : 2,515,918.68 = 1,144,395.12 : x - Step 2: Convert to fraction form
1,823,084.40/2,515,918.68 = 1,144,395.12/x - Step 3: Cross multiply
1,823,084.40x = 2,515,918.68 × 1,144,395.12 - Step 4: Simplify right side
1,823,084.40x = 2,879,205,059,708.84 - Step 5: Solve for x
x = 2,879,205,059,708.84/1,823,084.40 - Step 6: Final answer
x = 1,579,304.32
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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.