Finding the Fourth Proportional to 7,245,455.91, 10,868,183.87 and 2,696,386.56
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Solution
The fourth proportional to 7,245,455.91, 10,868,183.87 and 2,696,386.56 is: 4,044,579.84
Step by Step Solution
- Step 1: Write the proportion equation
7,245,455.91 : 10,868,183.87 = 2,696,386.56 : x - Step 2: Convert to fraction form
7,245,455.91/10,868,183.87 = 2,696,386.56/x - Step 3: Cross multiply
7,245,455.91x = 10,868,183.87 × 2,696,386.56 - Step 4: Simplify right side
7,245,455.91x = 29,304,824,918,676.79 - Step 5: Solve for x
x = 29,304,824,918,676.79/7,245,455.91 - Step 6: Final answer
x = 4,044,579.84
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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.