Finding the Fourth Proportional to 3,138,110.77, 4,330,246.35 and 1,761,138.66
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Solution
The fourth proportional to 3,138,110.77, 4,330,246.35 and 1,761,138.66 is: 2,430,176.88
Step by Step Solution
- Step 1: Write the proportion equation
3,138,110.77 : 4,330,246.35 = 1,761,138.66 : x - Step 2: Convert to fraction form
3,138,110.77/4,330,246.35 = 1,761,138.66/x - Step 3: Cross multiply
3,138,110.77x = 4,330,246.35 × 1,761,138.66 - Step 4: Simplify right side
3,138,110.77x = 7,626,164,254,308.89 - Step 5: Solve for x
x = 7,626,164,254,308.89/3,138,110.77 - Step 6: Final answer
x = 2,430,176.88
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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.