Finding the Fourth Proportional to 3,078,543.74, 4,248,362.62 and 1,701,922.46
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Solution
The fourth proportional to 3,078,543.74, 4,248,362.62 and 1,701,922.46 is: 2,348,637.66
Step by Step Solution
- Step 1: Write the proportion equation
3,078,543.74 : 4,248,362.62 = 1,701,922.46 : x - Step 2: Convert to fraction form
3,078,543.74/4,248,362.62 = 1,701,922.46/x - Step 3: Cross multiply
3,078,543.74x = 4,248,362.62 × 1,701,922.46 - Step 4: Simplify right side
3,078,543.74x = 7,230,383,761,202.45 - Step 5: Solve for x
x = 7,230,383,761,202.45/3,078,543.74 - Step 6: Final answer
x = 2,348,637.66
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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.