Finding the Fourth Proportional to 3,121,204.05, 4,681,806.08 and 1,625,101.65
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Solution
The fourth proportional to 3,121,204.05, 4,681,806.08 and 1,625,101.65 is: 2,437,652.48
Step by Step Solution
- Step 1: Write the proportion equation
3,121,204.05 : 4,681,806.08 = 1,625,101.65 : x - Step 2: Convert to fraction form
3,121,204.05/4,681,806.08 = 1,625,101.65/x - Step 3: Cross multiply
3,121,204.05x = 4,681,806.08 × 1,625,101.65 - Step 4: Simplify right side
3,121,204.05x = 7,608,410,777,462.52 - Step 5: Solve for x
x = 7,608,410,777,462.52/3,121,204.05 - Step 6: Final answer
x = 2,437,652.48
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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.