Finding the Fourth Proportional to 3,262,438.62, 4,890,963.47 and 1,439,505.68
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Solution
The fourth proportional to 3,262,438.62, 4,890,963.47 and 1,439,505.68 is: 2,158,069.62
Step by Step Solution
- Step 1: Write the proportion equation
3,262,438.62 : 4,890,963.47 = 1,439,505.68 : x - Step 2: Convert to fraction form
3,262,438.62/4,890,963.47 = 1,439,505.68/x - Step 3: Cross multiply
3,262,438.62x = 4,890,963.47 × 1,439,505.68 - Step 4: Simplify right side
3,262,438.62x = 7,040,569,664,085.16 - Step 5: Solve for x
x = 7,040,569,664,085.16/3,262,438.62 - Step 6: Final answer
x = 2,158,069.62
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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.