Finding the Fourth Proportional to 1,626,363.18, 2,439,664.68 and 428,277.24
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Solution
The fourth proportional to 1,626,363.18, 2,439,664.68 and 428,277.24 is: 642,447.44
Step by Step Solution
- Step 1: Write the proportion equation
1,626,363.18 : 2,439,664.68 = 428,277.24 : x - Step 2: Convert to fraction form
1,626,363.18/2,439,664.68 = 428,277.24/x - Step 3: Cross multiply
1,626,363.18x = 2,439,664.68 × 428,277.24 - Step 4: Simplify right side
1,626,363.18x = 1,044,852,855,675.88 - Step 5: Solve for x
x = 1,044,852,855,675.88/1,626,363.18 - Step 6: Final answer
x = 642,447.44
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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.