Finding the Fourth Proportional to 2,069,322.21, 2,855,622.33 and 1,295,379.81
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Solution
The fourth proportional to 2,069,322.21, 2,855,622.33 and 1,295,379.81 is: 1,787,597.65
Step by Step Solution
- Step 1: Write the proportion equation
2,069,322.21 : 2,855,622.33 = 1,295,379.81 : x - Step 2: Convert to fraction form
2,069,322.21/2,855,622.33 = 1,295,379.81/x - Step 3: Cross multiply
2,069,322.21x = 2,855,622.33 × 1,295,379.81 - Step 4: Simplify right side
2,069,322.21x = 3,699,115,511,267.16 - Step 5: Solve for x
x = 3,699,115,511,267.16/2,069,322.21 - Step 6: Final answer
x = 1,787,597.65
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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.