Finding the Fourth Proportional to 6,849,232.21, 10,275,320.69 and 1,991,623.11
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Solution
The fourth proportional to 6,849,232.21, 10,275,320.69 and 1,991,623.11 is: 2,987,862.80
Step by Step Solution
- Step 1: Write the proportion equation
6,849,232.21 : 10,275,320.69 = 1,991,623.11 : x - Step 2: Convert to fraction form
6,849,232.21/10,275,320.69 = 1,991,623.11/x - Step 3: Cross multiply
6,849,232.21x = 10,275,320.69 × 1,991,623.11 - Step 4: Simplify right side
6,849,232.21x = 20,464,566,148,865.14 - Step 5: Solve for x
x = 20,464,566,148,865.14/6,849,232.21 - Step 6: Final answer
x = 2,987,862.80
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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.