Finding the Fourth Proportional to 1,518,175.34, 2,093,725.09 and 1,259,643.02
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Solution
The fourth proportional to 1,518,175.34, 2,093,725.09 and 1,259,643.02 is: 1,737,181.55
Step by Step Solution
- Step 1: Write the proportion equation
1,518,175.34 : 2,093,725.09 = 1,259,643.02 : x - Step 2: Convert to fraction form
1,518,175.34/2,093,725.09 = 1,259,643.02/x - Step 3: Cross multiply
1,518,175.34x = 2,093,725.09 × 1,259,643.02 - Step 4: Simplify right side
1,518,175.34x = 2,637,346,186,523.30 - Step 5: Solve for x
x = 2,637,346,186,523.30/1,518,175.34 - Step 6: Final answer
x = 1,737,181.55
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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.