Finding the Fourth Proportional to 2,087,591.19, 2,880,826.95 and 1,228,206.70
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Solution
The fourth proportional to 2,087,591.19, 2,880,826.95 and 1,228,206.70 is: 1,694,896.48
Step by Step Solution
- Step 1: Write the proportion equation
2,087,591.19 : 2,880,826.95 = 1,228,206.70 : x - Step 2: Convert to fraction form
2,087,591.19/2,880,826.95 = 1,228,206.70/x - Step 3: Cross multiply
2,087,591.19x = 2,880,826.95 × 1,228,206.70 - Step 4: Simplify right side
2,087,591.19x = 3,538,250,962,828.71 - Step 5: Solve for x
x = 3,538,250,962,828.71/2,087,591.19 - Step 6: Final answer
x = 1,694,896.48
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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.