Finding the Fourth Proportional to 2,856,838, 4,286,458.68 and 1,778,252.44
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Solution
The fourth proportional to 2,856,838, 4,286,458.68 and 1,778,252.44 is: 2,668,126.65
Step by Step Solution
- Step 1: Write the proportion equation
2,856,838 : 4,286,458.68 = 1,778,252.44 : x - Step 2: Convert to fraction form
2,856,838/4,286,458.68 = 1,778,252.44/x - Step 3: Cross multiply
2,856,838x = 4,286,458.68 × 1,778,252.44 - Step 4: Simplify right side
2,856,838x = 7,622,405,606,669.18 - Step 5: Solve for x
x = 7,622,405,606,669.18/2,856,838 - Step 6: Final answer
x = 2,668,126.65
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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.