Finding the Fourth Proportional to 4,963,911.05, 6,849,450.90 and 2,788,037.34
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Solution
The fourth proportional to 4,963,911.05, 6,849,450.90 and 2,788,037.34 is: 3,847,072.34
Step by Step Solution
- Step 1: Write the proportion equation
4,963,911.05 : 6,849,450.90 = 2,788,037.34 : x - Step 2: Convert to fraction form
4,963,911.05/6,849,450.90 = 2,788,037.34/x - Step 3: Cross multiply
4,963,911.05x = 6,849,450.90 × 2,788,037.34 - Step 4: Simplify right side
4,963,911.05x = 19,096,524,867,696.61 - Step 5: Solve for x
x = 19,096,524,867,696.61/4,963,911.05 - Step 6: Final answer
x = 3,847,072.34
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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.