Finding the Fourth Proportional to 7,163,159.01, 10,745,905.64 and 2,114,979.81
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Solution
The fourth proportional to 7,163,159.01, 10,745,905.64 and 2,114,979.81 is: 3,172,814.32
Step by Step Solution
- Step 1: Write the proportion equation
7,163,159.01 : 10,745,905.64 = 2,114,979.81 : x - Step 2: Convert to fraction form
7,163,159.01/10,745,905.64 = 2,114,979.81/x - Step 3: Cross multiply
7,163,159.01x = 10,745,905.64 × 2,114,979.81 - Step 4: Simplify right side
7,163,159.01x = 22,727,373,458,190.23 - Step 5: Solve for x
x = 22,727,373,458,190.23/7,163,159.01 - Step 6: Final answer
x = 3,172,814.32
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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.