Finding the Fourth Proportional to 5,711,129.24, 8,561,232.84 and 2,115,931.28
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Solution
The fourth proportional to 5,711,129.24, 8,561,232.84 and 2,115,931.28 is: 3,171,873.65
Step by Step Solution
- Step 1: Write the proportion equation
5,711,129.24 : 8,561,232.84 = 2,115,931.28 : x - Step 2: Convert to fraction form
5,711,129.24/8,561,232.84 = 2,115,931.28/x - Step 3: Cross multiply
5,711,129.24x = 8,561,232.84 × 2,115,931.28 - Step 4: Simplify right side
5,711,129.24x = 18,114,980,361,519.23 - Step 5: Solve for x
x = 18,114,980,361,519.23/5,711,129.24 - Step 6: Final answer
x = 3,171,873.65
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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.