Finding the Fourth Proportional to 3,138,212.30, 4,708,120.36 and 1,008,317.30
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Solution
The fourth proportional to 3,138,212.30, 4,708,120.36 and 1,008,317.30 is: 1,512,733.61
Step by Step Solution
- Step 1: Write the proportion equation
3,138,212.30 : 4,708,120.36 = 1,008,317.30 : x - Step 2: Convert to fraction form
3,138,212.30/4,708,120.36 = 1,008,317.30/x - Step 3: Cross multiply
3,138,212.30x = 4,708,120.36 × 1,008,317.30 - Step 4: Simplify right side
3,138,212.30x = 4,747,279,209,470.23 - Step 5: Solve for x
x = 4,747,279,209,470.23/3,138,212.30 - Step 6: Final answer
x = 1,512,733.61
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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.