Finding the Fourth Proportional to 1,413,173.75, 2,119,761.79 and 348,215.92
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Solution
The fourth proportional to 1,413,173.75, 2,119,761.79 and 348,215.92 is: 522,324.16
Step by Step Solution
- Step 1: Write the proportion equation
1,413,173.75 : 2,119,761.79 = 348,215.92 : x - Step 2: Convert to fraction form
1,413,173.75/2,119,761.79 = 348,215.92/x - Step 3: Cross multiply
1,413,173.75x = 2,119,761.79 × 348,215.92 - Step 4: Simplify right side
1,413,173.75x = 738,134,795,715.75 - Step 5: Solve for x
x = 738,134,795,715.75/1,413,173.75 - Step 6: Final answer
x = 522,324.16
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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.