Finding the Fourth Proportional to 1,765,706.84, 2,436,506.88 and 991,160.24
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Solution
The fourth proportional to 1,765,706.84, 2,436,506.88 and 991,160.24 is: 1,367,706.51
Step by Step Solution
- Step 1: Write the proportion equation
1,765,706.84 : 2,436,506.88 = 991,160.24 : x - Step 2: Convert to fraction form
1,765,706.84/2,436,506.88 = 991,160.24/x - Step 3: Cross multiply
1,765,706.84x = 2,436,506.88 × 991,160.24 - Step 4: Simplify right side
1,765,706.84x = 2,414,968,743,942.45 - Step 5: Solve for x
x = 2,414,968,743,942.45/1,765,706.84 - Step 6: Final answer
x = 1,367,706.51
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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.