Finding the Fourth Proportional to 2,652,873.64, 3,660,857.94 and 1,622,117.68
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Solution
The fourth proportional to 2,652,873.64, 3,660,857.94 and 1,622,117.68 is: 2,238,456.55
Step by Step Solution
- Step 1: Write the proportion equation
2,652,873.64 : 3,660,857.94 = 1,622,117.68 : x - Step 2: Convert to fraction form
2,652,873.64/3,660,857.94 = 1,622,117.68/x - Step 3: Cross multiply
2,652,873.64x = 3,660,857.94 × 1,622,117.68 - Step 4: Simplify right side
2,652,873.64x = 5,938,342,388,442.38 - Step 5: Solve for x
x = 5,938,342,388,442.38/2,652,873.64 - Step 6: Final answer
x = 2,238,456.55
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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.