Finding the Fourth Proportional to 1,623,855.78, 2,435,117.76 and 486,217.26
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Solution
The fourth proportional to 1,623,855.78, 2,435,117.76 and 486,217.26 is: 729,126.50
Step by Step Solution
- Step 1: Write the proportion equation
1,623,855.78 : 2,435,117.76 = 486,217.26 : x - Step 2: Convert to fraction form
1,623,855.78/2,435,117.76 = 486,217.26/x - Step 3: Cross multiply
1,623,855.78x = 2,435,117.76 × 486,217.26 - Step 4: Simplify right side
1,623,855.78x = 1,183,996,285,044.54 - Step 5: Solve for x
x = 1,183,996,285,044.54/1,623,855.78 - Step 6: Final answer
x = 729,126.50
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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.