Finding the Fourth Proportional to 1,644,842.99, 2,267,651.06 and 1,154,145.80
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Solution
The fourth proportional to 1,644,842.99, 2,267,651.06 and 1,154,145.80 is: 1,591,154.88
Step by Step Solution
- Step 1: Write the proportion equation
1,644,842.99 : 2,267,651.06 = 1,154,145.80 : x - Step 2: Convert to fraction form
1,644,842.99/2,267,651.06 = 1,154,145.80/x - Step 3: Cross multiply
1,644,842.99x = 2,267,651.06 × 1,154,145.80 - Step 4: Simplify right side
1,644,842.99x = 2,617,199,950,990.99 - Step 5: Solve for x
x = 2,617,199,950,990.99/1,644,842.99 - Step 6: Final answer
x = 1,591,154.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.