Finding the Fourth Proportional to 3,769,810.80, 5,646,421.80 and 3,272,146.80
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Solution
The fourth proportional to 3,769,810.80, 5,646,421.80 and 3,272,146.80 is: 4,901,020.77
Step by Step Solution
- Step 1: Write the proportion equation
3,769,810.80 : 5,646,421.80 = 3,272,146.80 : x - Step 2: Convert to fraction form
3,769,810.80/5,646,421.80 = 3,272,146.80/x - Step 3: Cross multiply
3,769,810.80x = 5,646,421.80 × 3,272,146.80 - Step 4: Simplify right side
3,769,810.80x = 18,475,921,024,320.24 - Step 5: Solve for x
x = 18,475,921,024,320.24/3,769,810.80 - Step 6: Final answer
x = 4,901,020.77
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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.