Finding the Fourth Proportional to 2,636,725.08, 3,955,455.26 and 815,238.73
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Solution
The fourth proportional to 2,636,725.08, 3,955,455.26 and 815,238.73 is: 1,222,971.76
Step by Step Solution
- Step 1: Write the proportion equation
2,636,725.08 : 3,955,455.26 = 815,238.73 : x - Step 2: Convert to fraction form
2,636,725.08/3,955,455.26 = 815,238.73/x - Step 3: Cross multiply
2,636,725.08x = 3,955,455.26 × 815,238.73 - Step 4: Simplify right side
2,636,725.08x = 3,224,640,322,734.22 - Step 5: Solve for x
x = 3,224,640,322,734.22/2,636,725.08 - Step 6: Final answer
x = 1,222,971.76
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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.