Finding the Fourth Proportional to 1,886,148.96, 2,602,779.60 and 1,026,657.96
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Solution
The fourth proportional to 1,886,148.96, 2,602,779.60 and 1,026,657.96 is: 1,416,730.31
Step by Step Solution
- Step 1: Write the proportion equation
1,886,148.96 : 2,602,779.60 = 1,026,657.96 : x - Step 2: Convert to fraction form
1,886,148.96/2,602,779.60 = 1,026,657.96/x - Step 3: Cross multiply
1,886,148.96x = 2,602,779.60 × 1,026,657.96 - Step 4: Simplify right side
1,886,148.96x = 2,672,164,394,465.62 - Step 5: Solve for x
x = 2,672,164,394,465.62/1,886,148.96 - Step 6: Final answer
x = 1,416,730.31
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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.