Finding the Fourth Proportional to 2,874,839.84, 3,967,297.68 and 1,585,715.04
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Solution
The fourth proportional to 2,874,839.84, 3,967,297.68 and 1,585,715.04 is: 2,188,297.07
Step by Step Solution
- Step 1: Write the proportion equation
2,874,839.84 : 3,967,297.68 = 1,585,715.04 : x - Step 2: Convert to fraction form
2,874,839.84/3,967,297.68 = 1,585,715.04/x - Step 3: Cross multiply
2,874,839.84x = 3,967,297.68 × 1,585,715.04 - Step 4: Simplify right side
2,874,839.84x = 6,291,003,599,333.11 - Step 5: Solve for x
x = 6,291,003,599,333.11/2,874,839.84 - Step 6: Final answer
x = 2,188,297.07
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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.