Finding the Fourth Proportional to 1,815,438.48, 2,505,641.04 and 1,051,491.84
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Solution
The fourth proportional to 1,815,438.48, 2,505,641.04 and 1,051,491.84 is: 1,451,253.31
Step by Step Solution
- Step 1: Write the proportion equation
1,815,438.48 : 2,505,641.04 = 1,051,491.84 : x - Step 2: Convert to fraction form
1,815,438.48/2,505,641.04 = 1,051,491.84/x - Step 3: Cross multiply
1,815,438.48x = 2,505,641.04 × 1,051,491.84 - Step 4: Simplify right side
1,815,438.48x = 2,634,661,107,529.11 - Step 5: Solve for x
x = 2,634,661,107,529.11/1,815,438.48 - Step 6: Final answer
x = 1,451,253.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.