Finding the Fourth Proportional to 2,817,305.12, 4,226,121.30 and 795,379.78
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Solution
The fourth proportional to 2,817,305.12, 4,226,121.30 and 795,379.78 is: 1,193,115.86
Step by Step Solution
- Step 1: Write the proportion equation
2,817,305.12 : 4,226,121.30 = 795,379.78 : x - Step 2: Convert to fraction form
2,817,305.12/4,226,121.30 = 795,379.78/x - Step 3: Cross multiply
2,817,305.12x = 4,226,121.30 × 795,379.78 - Step 4: Simplify right side
2,817,305.12x = 3,361,371,429,847.31 - Step 5: Solve for x
x = 3,361,371,429,847.31/2,817,305.12 - Step 6: Final answer
x = 1,193,115.86
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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.