Finding the Fourth Proportional to 2,793,379.84, 4,189,405.42 and 771,578.98
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Solution
The fourth proportional to 2,793,379.84, 4,189,405.42 and 771,578.98 is: 1,157,184.97
Step by Step Solution
- Step 1: Write the proportion equation
2,793,379.84 : 4,189,405.42 = 771,578.98 : x - Step 2: Convert to fraction form
2,793,379.84/4,189,405.42 = 771,578.98/x - Step 3: Cross multiply
2,793,379.84x = 4,189,405.42 × 771,578.98 - Step 4: Simplify right side
2,793,379.84x = 3,232,457,169,314.64 - Step 5: Solve for x
x = 3,232,457,169,314.64/2,793,379.84 - Step 6: Final answer
x = 1,157,184.97
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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.