Finding the Fourth Proportional to 4,258,436.63, 6,388,661.69 and 1,379,798.63
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Solution
The fourth proportional to 4,258,436.63, 6,388,661.69 and 1,379,798.63 is: 2,070,024.15
Step by Step Solution
- Step 1: Write the proportion equation
4,258,436.63 : 6,388,661.69 = 1,379,798.63 : x - Step 2: Convert to fraction form
4,258,436.63/6,388,661.69 = 1,379,798.63/x - Step 3: Cross multiply
4,258,436.63x = 6,388,661.69 × 1,379,798.63 - Step 4: Simplify right side
4,258,436.63x = 8,815,066,647,395.49 - Step 5: Solve for x
x = 8,815,066,647,395.49/4,258,436.63 - Step 6: Final answer
x = 2,070,024.15
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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.