Finding the Fourth Proportional to 3,397,270.36, 4,688,427.09 and 1,947,207.35
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Solution
The fourth proportional to 3,397,270.36, 4,688,427.09 and 1,947,207.35 is: 2,687,257.33
Step by Step Solution
- Step 1: Write the proportion equation
3,397,270.36 : 4,688,427.09 = 1,947,207.35 : x - Step 2: Convert to fraction form
3,397,270.36/4,688,427.09 = 1,947,207.35/x - Step 3: Cross multiply
3,397,270.36x = 4,688,427.09 × 1,947,207.35 - Step 4: Simplify right side
3,397,270.36x = 9,129,339,684,470.96 - Step 5: Solve for x
x = 9,129,339,684,470.96/3,397,270.36 - Step 6: Final answer
x = 2,687,257.33
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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.