Finding the Fourth Proportional to 5,659,764.18, 8,489,956.10 and 1,615,935.57
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Solution
The fourth proportional to 5,659,764.18, 8,489,956.10 and 1,615,935.57 is: 2,423,991.81
Step by Step Solution
- Step 1: Write the proportion equation
5,659,764.18 : 8,489,956.10 = 1,615,935.57 : x - Step 2: Convert to fraction form
5,659,764.18/8,489,956.10 = 1,615,935.57/x - Step 3: Cross multiply
5,659,764.18x = 8,489,956.10 × 1,615,935.57 - Step 4: Simplify right side
5,659,764.18x = 13,719,222,041,648.80 - Step 5: Solve for x
x = 13,719,222,041,648.80/5,659,764.18 - Step 6: Final answer
x = 2,423,991.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.