Finding the Fourth Proportional to 4,385,580.40, 6,578,821.79 and 1,655,427.45
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Solution
The fourth proportional to 4,385,580.40, 6,578,821.79 and 1,655,427.45 is: 2,483,311.49
Step by Step Solution
- Step 1: Write the proportion equation
4,385,580.40 : 6,578,821.79 = 1,655,427.45 : x - Step 2: Convert to fraction form
4,385,580.40/6,578,821.79 = 1,655,427.45/x - Step 3: Cross multiply
4,385,580.40x = 6,578,821.79 × 1,655,427.45 - Step 4: Simplify right side
4,385,580.40x = 10,890,762,208,633.29 - Step 5: Solve for x
x = 10,890,762,208,633.29/4,385,580.40 - Step 6: Final answer
x = 2,483,311.49
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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.