Finding the Fourth Proportional to 5,624,523.60, 8,439,856.74 and 2,385,557.46
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Solution
The fourth proportional to 5,624,523.60, 8,439,856.74 and 2,385,557.46 is: 3,579,638.85
Step by Step Solution
- Step 1: Write the proportion equation
5,624,523.60 : 8,439,856.74 = 2,385,557.46 : x - Step 2: Convert to fraction form
5,624,523.60/8,439,856.74 = 2,385,557.46/x - Step 3: Cross multiply
5,624,523.60x = 8,439,856.74 × 2,385,557.46 - Step 4: Simplify right side
5,624,523.60x = 20,133,763,207,438.28 - Step 5: Solve for x
x = 20,133,763,207,438.28/5,624,523.60 - Step 6: Final answer
x = 3,579,638.85
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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.