Finding the Fourth Proportional to 3,636,915.87, 5,455,176.07 and 1,112,571.12
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Solution
The fourth proportional to 3,636,915.87, 5,455,176.07 and 1,112,571.12 is: 1,668,796.19
Step by Step Solution
- Step 1: Write the proportion equation
3,636,915.87 : 5,455,176.07 = 1,112,571.12 : x - Step 2: Convert to fraction form
3,636,915.87/5,455,176.07 = 1,112,571.12/x - Step 3: Cross multiply
3,636,915.87x = 5,455,176.07 × 1,112,571.12 - Step 4: Simplify right side
3,636,915.87x = 6,069,271,369,758.65 - Step 5: Solve for x
x = 6,069,271,369,758.65/3,636,915.87 - Step 6: Final answer
x = 1,668,796.19
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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.