Finding the Fourth Proportional to 1,643,257.35, 2,267,469.72 and 918,014.94
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Solution
The fourth proportional to 1,643,257.35, 2,267,469.72 and 918,014.94 is: 1,266,734.68
Step by Step Solution
- Step 1: Write the proportion equation
1,643,257.35 : 2,267,469.72 = 918,014.94 : x - Step 2: Convert to fraction form
1,643,257.35/2,267,469.72 = 918,014.94/x - Step 3: Cross multiply
1,643,257.35x = 2,267,469.72 × 918,014.94 - Step 4: Simplify right side
1,643,257.35x = 2,081,571,078,957.62 - Step 5: Solve for x
x = 2,081,571,078,957.62/1,643,257.35 - Step 6: Final answer
x = 1,266,734.68
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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.