Finding the Fourth Proportional to 1,857,558.87, 2,561,058.08 and 1,203,028.35
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Solution
The fourth proportional to 1,857,558.87, 2,561,058.08 and 1,203,028.35 is: 1,658,642.17
Step by Step Solution
- Step 1: Write the proportion equation
1,857,558.87 : 2,561,058.08 = 1,203,028.35 : x - Step 2: Convert to fraction form
1,857,558.87/2,561,058.08 = 1,203,028.35/x - Step 3: Cross multiply
1,857,558.87x = 2,561,058.08 × 1,203,028.35 - Step 4: Simplify right side
1,857,558.87x = 3,081,025,476,236.57 - Step 5: Solve for x
x = 3,081,025,476,236.57/1,857,558.87 - Step 6: Final answer
x = 1,658,642.17
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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.