Finding the Fourth Proportional to 1,347,281.80, 2,019,172.24 and 547,631.96
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Solution
The fourth proportional to 1,347,281.80, 2,019,172.24 and 547,631.96 is: 820,736.43
Step by Step Solution
- Step 1: Write the proportion equation
1,347,281.80 : 2,019,172.24 = 547,631.96 : x - Step 2: Convert to fraction form
1,347,281.80/2,019,172.24 = 547,631.96/x - Step 3: Cross multiply
1,347,281.80x = 2,019,172.24 × 547,631.96 - Step 4: Simplify right side
1,347,281.80x = 1,105,763,251,368.79 - Step 5: Solve for x
x = 1,105,763,251,368.79/1,347,281.80 - Step 6: Final answer
x = 820,736.43
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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.