Finding the Fourth Proportional to 2,190,904.70, 3,286,357.05 and 2,190,904.70
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Solution
The fourth proportional to 2,190,904.70, 3,286,357.05 and 2,190,904.70 is: 3,286,357.05
Step by Step Solution
- Step 1: Write the proportion equation
2,190,904.70 : 3,286,357.05 = 2,190,904.70 : x - Step 2: Convert to fraction form
2,190,904.70/3,286,357.05 = 2,190,904.70/x - Step 3: Cross multiply
2,190,904.70x = 3,286,357.05 × 2,190,904.70 - Step 4: Simplify right side
2,190,904.70x = 7,200,095,106,723.14 - Step 5: Solve for x
x = 7,200,095,106,723.14/2,190,904.70 - Step 6: Final answer
x = 3,286,357.05
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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.