Finding the Fourth Proportional to 1,857,557.87, 2,561,056.70 and 1,203,027.35
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Solution
The fourth proportional to 1,857,557.87, 2,561,056.70 and 1,203,027.35 is: 1,658,640.79
Step by Step Solution
- Step 1: Write the proportion equation
1,857,557.87 : 2,561,056.70 = 1,203,027.35 : x - Step 2: Convert to fraction form
1,857,557.87/2,561,056.70 = 1,203,027.35/x - Step 3: Cross multiply
1,857,557.87x = 2,561,056.70 × 1,203,027.35 - Step 4: Simplify right side
1,857,557.87x = 3,081,021,255,000.75 - Step 5: Solve for x
x = 3,081,021,255,000.75/1,857,557.87 - Step 6: Final answer
x = 1,658,640.79
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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.