Finding the Fourth Proportional to 4,163,472.40, 6,239,376.60 and 3,312,000.40
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Solution
The fourth proportional to 4,163,472.40, 6,239,376.60 and 3,312,000.40 is: 4,963,361.30
Step by Step Solution
- Step 1: Write the proportion equation
4,163,472.40 : 6,239,376.60 = 3,312,000.40 : x - Step 2: Convert to fraction form
4,163,472.40/6,239,376.60 = 3,312,000.40/x - Step 3: Cross multiply
4,163,472.40x = 6,239,376.60 × 3,312,000.40 - Step 4: Simplify right side
4,163,472.40x = 20,664,817,794,950.64 - Step 5: Solve for x
x = 20,664,817,794,950.64/4,163,472.40 - Step 6: Final answer
x = 4,963,361.30
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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.