Finding the Fourth Proportional to 3,308,610.80, 4,963,837.80 and 1,625,769.20
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Solution
The fourth proportional to 3,308,610.80, 4,963,837.80 and 1,625,769.20 is: 2,439,106.65
Step by Step Solution
- Step 1: Write the proportion equation
3,308,610.80 : 4,963,837.80 = 1,625,769.20 : x - Step 2: Convert to fraction form
3,308,610.80/4,963,837.80 = 1,625,769.20/x - Step 3: Cross multiply
3,308,610.80x = 4,963,837.80 × 1,625,769.20 - Step 4: Simplify right side
3,308,610.80x = 8,070,054,609,035.76 - Step 5: Solve for x
x = 8,070,054,609,035.76/3,308,610.80 - Step 6: Final answer
x = 2,439,106.65
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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.