Finding the Fourth Proportional to 1,886,832.77, 2,603,818.13 and 1,027,390.97
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Solution
The fourth proportional to 1,886,832.77, 2,603,818.13 and 1,027,390.97 is: 1,417,793.49
Step by Step Solution
- Step 1: Write the proportion equation
1,886,832.77 : 2,603,818.13 = 1,027,390.97 : x - Step 2: Convert to fraction form
1,886,832.77/2,603,818.13 = 1,027,390.97/x - Step 3: Cross multiply
1,886,832.77x = 2,603,818.13 × 1,027,390.97 - Step 4: Simplify right side
1,886,832.77x = 2,675,139,216,128.24 - Step 5: Solve for x
x = 2,675,139,216,128.24/1,886,832.77 - Step 6: Final answer
x = 1,417,793.49
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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.