Finding the Fourth Proportional to 1,438,684.95, 2,151,472.05 and 1,074,201.54
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Solution
The fourth proportional to 1,438,684.95, 2,151,472.05 and 1,074,201.54 is: 1,606,407.71
Step by Step Solution
- Step 1: Write the proportion equation
1,438,684.95 : 2,151,472.05 = 1,074,201.54 : x - Step 2: Convert to fraction form
1,438,684.95/2,151,472.05 = 1,074,201.54/x - Step 3: Cross multiply
1,438,684.95x = 2,151,472.05 × 1,074,201.54 - Step 4: Simplify right side
1,438,684.95x = 2,311,114,589,376.96 - Step 5: Solve for x
x = 2,311,114,589,376.96/1,438,684.95 - Step 6: Final answer
x = 1,606,407.71
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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.