Finding the Fourth Proportional to 4,211,703.14, 6,317,554.91 and 1,371,815.19
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Solution
The fourth proportional to 4,211,703.14, 6,317,554.91 and 1,371,815.19 is: 2,057,722.85
Step by Step Solution
- Step 1: Write the proportion equation
4,211,703.14 : 6,317,554.91 = 1,371,815.19 : x - Step 2: Convert to fraction form
4,211,703.14/6,317,554.91 = 1,371,815.19/x - Step 3: Cross multiply
4,211,703.14x = 6,317,554.91 × 1,371,815.19 - Step 4: Simplify right side
4,211,703.14x = 8,666,517,782,338.01 - Step 5: Solve for x
x = 8,666,517,782,338.01/4,211,703.14 - Step 6: Final answer
x = 2,057,722.85
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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.