Finding the Fourth Proportional to 3,626,863.99, 5,440,299.71 and 1,352,353.63
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Solution
The fourth proportional to 3,626,863.99, 5,440,299.71 and 1,352,353.63 is: 2,028,531.83
Step by Step Solution
- Step 1: Write the proportion equation
3,626,863.99 : 5,440,299.71 = 1,352,353.63 : x - Step 2: Convert to fraction form
3,626,863.99/5,440,299.71 = 1,352,353.63/x - Step 3: Cross multiply
3,626,863.99x = 5,440,299.71 × 1,352,353.63 - Step 4: Simplify right side
3,626,863.99x = 7,357,209,061,106.45 - Step 5: Solve for x
x = 7,357,209,061,106.45/3,626,863.99 - Step 6: Final answer
x = 2,028,531.83
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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.