Finding the Fourth Proportional to 3,345,298.36, 4,618,421.58 and 2,202,695.80
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Solution
The fourth proportional to 3,345,298.36, 4,618,421.58 and 2,202,695.80 is: 3,040,977.73
Step by Step Solution
- Step 1: Write the proportion equation
3,345,298.36 : 4,618,421.58 = 2,202,695.80 : x - Step 2: Convert to fraction form
3,345,298.36/4,618,421.58 = 2,202,695.80/x - Step 3: Cross multiply
3,345,298.36x = 4,618,421.58 × 2,202,695.80 - Step 4: Simplify right side
3,345,298.36x = 10,172,977,816,895.36 - Step 5: Solve for x
x = 10,172,977,816,895.36/3,345,298.36 - Step 6: Final answer
x = 3,040,977.73
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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.