Finding the Fourth Proportional to 1,611,529.60, 2,415,220.80 and 979,772.80
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Solution
The fourth proportional to 1,611,529.60, 2,415,220.80 and 979,772.80 is: 1,468,398.50
Step by Step Solution
- Step 1: Write the proportion equation
1,611,529.60 : 2,415,220.80 = 979,772.80 : x - Step 2: Convert to fraction form
1,611,529.60/2,415,220.80 = 979,772.80/x - Step 3: Cross multiply
1,611,529.60x = 2,415,220.80 × 979,772.80 - Step 4: Simplify right side
1,611,529.60x = 2,366,367,645,834.24 - Step 5: Solve for x
x = 2,366,367,645,834.24/1,611,529.60 - Step 6: Final answer
x = 1,468,398.50
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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.