Finding the Fourth Proportional to 1,644,315.20, 2,467,855.20 and 803,585.60
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Solution
The fourth proportional to 1,644,315.20, 2,467,855.20 and 803,585.60 is: 1,206,053.99
Step by Step Solution
- Step 1: Write the proportion equation
1,644,315.20 : 2,467,855.20 = 803,585.60 : x - Step 2: Convert to fraction form
1,644,315.20/2,467,855.20 = 803,585.60/x - Step 3: Cross multiply
1,644,315.20x = 2,467,855.20 × 803,585.60 - Step 4: Simplify right side
1,644,315.20x = 1,983,132,901,605.12 - Step 5: Solve for x
x = 1,983,132,901,605.12/1,644,315.20 - Step 6: Final answer
x = 1,206,053.99
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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.