Finding the Fourth Proportional to 2,840,606.15, 3,917,440.28 and 2,220,493.23
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Solution
The fourth proportional to 2,840,606.15, 3,917,440.28 and 2,220,493.23 is: 3,062,251.22
Step by Step Solution
- Step 1: Write the proportion equation
2,840,606.15 : 3,917,440.28 = 2,220,493.23 : x - Step 2: Convert to fraction form
2,840,606.15/3,917,440.28 = 2,220,493.23/x - Step 3: Cross multiply
2,840,606.15x = 3,917,440.28 × 2,220,493.23 - Step 4: Simplify right side
2,840,606.15x = 8,698,649,626,220.54 - Step 5: Solve for x
x = 8,698,649,626,220.54/2,840,606.15 - Step 6: Final answer
x = 3,062,251.22
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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.