Finding the Fourth Proportional to 3,956,639.70, 5,934,848.30 and 1,261,126.42
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Solution
The fourth proportional to 3,956,639.70, 5,934,848.30 and 1,261,126.42 is: 1,891,654.17
Step by Step Solution
- Step 1: Write the proportion equation
3,956,639.70 : 5,934,848.30 = 1,261,126.42 : x - Step 2: Convert to fraction form
3,956,639.70/5,934,848.30 = 1,261,126.42/x - Step 3: Cross multiply
3,956,639.70x = 5,934,848.30 × 1,261,126.42 - Step 4: Simplify right side
3,956,639.70x = 7,484,593,989,822.09 - Step 5: Solve for x
x = 7,484,593,989,822.09/3,956,639.70 - Step 6: Final answer
x = 1,891,654.17
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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.