Finding the Fourth Proportional to 5,457,943.76, 8,188,803.84 and 1,866,238.88
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Solution
The fourth proportional to 5,457,943.76, 8,188,803.84 and 1,866,238.88 is: 2,800,003.95
Step by Step Solution
- Step 1: Write the proportion equation
5,457,943.76 : 8,188,803.84 = 1,866,238.88 : x - Step 2: Convert to fraction form
5,457,943.76/8,188,803.84 = 1,866,238.88/x - Step 3: Cross multiply
5,457,943.76x = 8,188,803.84 × 1,866,238.88 - Step 4: Simplify right side
5,457,943.76x = 15,282,264,106,901.30 - Step 5: Solve for x
x = 15,282,264,106,901.30/5,457,943.76 - Step 6: Final answer
x = 2,800,003.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.