Finding the Fourth Proportional to 2,128,624.93, 3,190,165.03 and 864,975.25
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Solution
The fourth proportional to 2,128,624.93, 3,190,165.03 and 864,975.25 is: 1,296,336.31
Step by Step Solution
- Step 1: Write the proportion equation
2,128,624.93 : 3,190,165.03 = 864,975.25 : x - Step 2: Convert to fraction form
2,128,624.93/3,190,165.03 = 864,975.25/x - Step 3: Cross multiply
2,128,624.93x = 3,190,165.03 × 864,975.25 - Step 4: Simplify right side
2,128,624.93x = 2,759,413,794,365.51 - Step 5: Solve for x
x = 2,759,413,794,365.51/2,128,624.93 - Step 6: Final answer
x = 1,296,336.31
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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.