Finding the Fourth Proportional to 5,115,733.32, 7,059,879.07 and 2,792,749.70
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Solution
The fourth proportional to 5,115,733.32, 7,059,879.07 and 2,792,749.70 is: 3,854,085.80
Step by Step Solution
- Step 1: Write the proportion equation
5,115,733.32 : 7,059,879.07 = 2,792,749.70 : x - Step 2: Convert to fraction form
5,115,733.32/7,059,879.07 = 2,792,749.70/x - Step 3: Cross multiply
5,115,733.32x = 7,059,879.07 × 2,792,749.70 - Step 4: Simplify right side
5,115,733.32x = 19,716,475,154,778.78 - Step 5: Solve for x
x = 19,716,475,154,778.78/5,115,733.32 - Step 6: Final answer
x = 3,854,085.80
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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.