Finding the Fourth Proportional to 1,375,659.32, 2,061,566.85 and 1,172,192.99
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Solution
The fourth proportional to 1,375,659.32, 2,061,566.85 and 1,172,192.99 is: 1,756,651.65
Step by Step Solution
- Step 1: Write the proportion equation
1,375,659.32 : 2,061,566.85 = 1,172,192.99 : x - Step 2: Convert to fraction form
1,375,659.32/2,061,566.85 = 1,172,192.99/x - Step 3: Cross multiply
1,375,659.32x = 2,061,566.85 × 1,172,192.99 - Step 4: Simplify right side
1,375,659.32x = 2,416,554,209,986.38 - Step 5: Solve for x
x = 2,416,554,209,986.38/1,375,659.32 - Step 6: Final answer
x = 1,756,651.65
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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.