Finding the Fourth Proportional to 1,886,695.26, 2,603,686.11 and 1,027,302.54
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Solution
The fourth proportional to 1,886,695.26, 2,603,686.11 and 1,027,302.54 is: 1,417,702.91
Step by Step Solution
- Step 1: Write the proportion equation
1,886,695.26 : 2,603,686.11 = 1,027,302.54 : x - Step 2: Convert to fraction form
1,886,695.26/2,603,686.11 = 1,027,302.54/x - Step 3: Cross multiply
1,886,695.26x = 2,603,686.11 × 1,027,302.54 - Step 4: Simplify right side
1,886,695.26x = 2,674,773,354,165.72 - Step 5: Solve for x
x = 2,674,773,354,165.72/1,886,695.26 - Step 6: Final answer
x = 1,417,702.91
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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.