Finding the Fourth Proportional to 2,178,431.06, 3,006,867.94 and 1,453,276.98
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Solution
The fourth proportional to 2,178,431.06, 3,006,867.94 and 1,453,276.98 is: 2,005,944.58
Step by Step Solution
- Step 1: Write the proportion equation
2,178,431.06 : 3,006,867.94 = 1,453,276.98 : x - Step 2: Convert to fraction form
2,178,431.06/3,006,867.94 = 1,453,276.98/x - Step 3: Cross multiply
2,178,431.06x = 3,006,867.94 × 1,453,276.98 - Step 4: Simplify right side
2,178,431.06x = 4,369,811,962,986.00 - Step 5: Solve for x
x = 4,369,811,962,986.00/2,178,431.06 - Step 6: Final answer
x = 2,005,944.58
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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.