Finding the Fourth Proportional to 1,579,920.42, 2,181,795.93 and 1,493,846.67
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Solution
The fourth proportional to 1,579,920.42, 2,181,795.93 and 1,493,846.67 is: 2,062,932.12
Step by Step Solution
- Step 1: Write the proportion equation
1,579,920.42 : 2,181,795.93 = 1,493,846.67 : x - Step 2: Convert to fraction form
1,579,920.42/2,181,795.93 = 1,493,846.67/x - Step 3: Cross multiply
1,579,920.42x = 2,181,795.93 × 1,493,846.67 - Step 4: Simplify right side
1,579,920.42x = 3,259,268,584,650.05 - Step 5: Solve for x
x = 3,259,268,584,650.05/1,579,920.42 - Step 6: Final answer
x = 2,062,932.12
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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.