Finding the Fourth Proportional to 4,807,809.21, 6,634,777.05 and 2,632,352.52
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Solution
The fourth proportional to 4,807,809.21, 6,634,777.05 and 2,632,352.52 is: 3,632,646.66
Step by Step Solution
- Step 1: Write the proportion equation
4,807,809.21 : 6,634,777.05 = 2,632,352.52 : x - Step 2: Convert to fraction form
4,807,809.21/6,634,777.05 = 2,632,352.52/x - Step 3: Cross multiply
4,807,809.21x = 6,634,777.05 × 2,632,352.52 - Step 4: Simplify right side
4,807,809.21x = 17,465,072,087,205.67 - Step 5: Solve for x
x = 17,465,072,087,205.67/4,807,809.21 - Step 6: Final answer
x = 3,632,646.66
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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.