Finding the Fourth Proportional to 7,286,136.70, 10,929,205.05 and 3,498,706.30
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Solution
The fourth proportional to 7,286,136.70, 10,929,205.05 and 3,498,706.30 is: 5,248,059.45
Step by Step Solution
- Step 1: Write the proportion equation
7,286,136.70 : 10,929,205.05 = 3,498,706.30 : x - Step 2: Convert to fraction form
7,286,136.70/10,929,205.05 = 3,498,706.30/x - Step 3: Cross multiply
7,286,136.70x = 10,929,205.05 × 3,498,706.30 - Step 4: Simplify right side
7,286,136.70x = 38,238,078,562,426.81 - Step 5: Solve for x
x = 38,238,078,562,426.81/7,286,136.70 - Step 6: Final answer
x = 5,248,059.45
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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.