Finding the Fourth Proportional to 1,554,415.02, 2,331,936.81 and 655,858.62
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Solution
The fourth proportional to 1,554,415.02, 2,331,936.81 and 655,858.62 is: 983,920.54
Step by Step Solution
- Step 1: Write the proportion equation
1,554,415.02 : 2,331,936.81 = 655,858.62 : x - Step 2: Convert to fraction form
1,554,415.02/2,331,936.81 = 655,858.62/x - Step 3: Cross multiply
1,554,415.02x = 2,331,936.81 × 655,858.62 - Step 4: Simplify right side
1,554,415.02x = 1,529,420,858,133.80 - Step 5: Solve for x
x = 1,529,420,858,133.80/1,554,415.02 - Step 6: Final answer
x = 983,920.54
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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.