Finding the Fourth Proportional to 2,815,229.62, 4,216,025.12 and 1,948,235.12
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Solution
The fourth proportional to 2,815,229.62, 4,216,025.12 and 1,948,235.12 is: 2,917,633.49
Step by Step Solution
- Step 1: Write the proportion equation
2,815,229.62 : 4,216,025.12 = 1,948,235.12 : x - Step 2: Convert to fraction form
2,815,229.62/4,216,025.12 = 1,948,235.12/x - Step 3: Cross multiply
2,815,229.62x = 4,216,025.12 × 1,948,235.12 - Step 4: Simplify right side
2,815,229.62x = 8,213,808,225,248.97 - Step 5: Solve for x
x = 8,213,808,225,248.97/2,815,229.62 - Step 6: Final answer
x = 2,917,633.49
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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.