Finding the Fourth Proportional to 1,431,651.42, 2,142,804.18 and 1,052,471.76
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Solution
The fourth proportional to 1,431,651.42, 2,142,804.18 and 1,052,471.76 is: 1,575,272.34
Step by Step Solution
- Step 1: Write the proportion equation
1,431,651.42 : 2,142,804.18 = 1,052,471.76 : x - Step 2: Convert to fraction form
1,431,651.42/2,142,804.18 = 1,052,471.76/x - Step 3: Cross multiply
1,431,651.42x = 2,142,804.18 × 1,052,471.76 - Step 4: Simplify right side
1,431,651.42x = 2,255,240,886,659.96 - Step 5: Solve for x
x = 2,255,240,886,659.96/1,431,651.42 - Step 6: Final answer
x = 1,575,272.34
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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.