Finding the Fourth Proportional to 1,405,587.08, 2,106,172.84 and 1,086,520.76
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Solution
The fourth proportional to 1,405,587.08, 2,106,172.84 and 1,086,520.76 is: 1,628,074.52
Step by Step Solution
- Step 1: Write the proportion equation
1,405,587.08 : 2,106,172.84 = 1,086,520.76 : x - Step 2: Convert to fraction form
1,405,587.08/2,106,172.84 = 1,086,520.76/x - Step 3: Cross multiply
1,405,587.08x = 2,106,172.84 × 1,086,520.76 - Step 4: Simplify right side
1,405,587.08x = 2,288,400,514,808.16 - Step 5: Solve for x
x = 2,288,400,514,808.16/1,405,587.08 - Step 6: Final answer
x = 1,628,074.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.