Finding the Fourth Proportional to 1,992,956.16, 2,750,337.60 and 1,087,596.48
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Solution
The fourth proportional to 1,992,956.16, 2,750,337.60 and 1,087,596.48 is: 1,500,914.85
Step by Step Solution
- Step 1: Write the proportion equation
1,992,956.16 : 2,750,337.60 = 1,087,596.48 : x - Step 2: Convert to fraction form
1,992,956.16/2,750,337.60 = 1,087,596.48/x - Step 3: Cross multiply
1,992,956.16x = 2,750,337.60 × 1,087,596.48 - Step 4: Simplify right side
1,992,956.16x = 2,991,257,492,571.65 - Step 5: Solve for x
x = 2,991,257,492,571.65/1,992,956.16 - Step 6: Final answer
x = 1,500,914.85
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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.