Finding the Fourth Proportional to 5,690,873.10, 7,852,927.95 and 3,209,956.68
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Solution
The fourth proportional to 5,690,873.10, 7,852,927.95 and 3,209,956.68 is: 4,429,471.21
Step by Step Solution
- Step 1: Write the proportion equation
5,690,873.10 : 7,852,927.95 = 3,209,956.68 : x - Step 2: Convert to fraction form
5,690,873.10/7,852,927.95 = 3,209,956.68/x - Step 3: Cross multiply
5,690,873.10x = 7,852,927.95 × 3,209,956.68 - Step 4: Simplify right side
5,690,873.10x = 25,207,558,530,661.21 - Step 5: Solve for x
x = 25,207,558,530,661.21/5,690,873.10 - Step 6: Final answer
x = 4,429,471.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.