Finding the Fourth Proportional to 4,077,128.81, 5,626,448.99 and 2,241,774.72
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Solution
The fourth proportional to 4,077,128.81, 5,626,448.99 and 2,241,774.72 is: 3,093,655.29
Step by Step Solution
- Step 1: Write the proportion equation
4,077,128.81 : 5,626,448.99 = 2,241,774.72 : x - Step 2: Convert to fraction form
4,077,128.81/5,626,448.99 = 2,241,774.72/x - Step 3: Cross multiply
4,077,128.81x = 5,626,448.99 × 2,241,774.72 - Step 4: Simplify right side
4,077,128.81x = 12,613,231,097,942.66 - Step 5: Solve for x
x = 12,613,231,097,942.66/4,077,128.81 - Step 6: Final answer
x = 3,093,655.29
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1.5x scale
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.