Finding the Fourth Proportional to 1,614,954.90, 2,228,639.92 and 879,905.42
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Solution
The fourth proportional to 1,614,954.90, 2,228,639.92 and 879,905.42 is: 1,214,270.65
Step by Step Solution
- Step 1: Write the proportion equation
1,614,954.90 : 2,228,639.92 = 879,905.42 : x - Step 2: Convert to fraction form
1,614,954.90/2,228,639.92 = 879,905.42/x - Step 3: Cross multiply
1,614,954.90x = 2,228,639.92 × 879,905.42 - Step 4: Simplify right side
1,614,954.90x = 1,960,992,333,693.17 - Step 5: Solve for x
x = 1,960,992,333,693.17/1,614,954.90 - Step 6: Final answer
x = 1,214,270.65
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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.