Finding the Fourth Proportional to 2,621,995.20, 3,932,992.80 and 2,385,604.80
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Solution
The fourth proportional to 2,621,995.20, 3,932,992.80 and 2,385,604.80 is: 3,578,407.20
Step by Step Solution
- Step 1: Write the proportion equation
2,621,995.20 : 3,932,992.80 = 2,385,604.80 : x - Step 2: Convert to fraction form
2,621,995.20/3,932,992.80 = 2,385,604.80/x - Step 3: Cross multiply
2,621,995.20x = 3,932,992.80 × 2,385,604.80 - Step 4: Simplify right side
2,621,995.20x = 9,382,566,502,045.44 - Step 5: Solve for x
x = 9,382,566,502,045.44/2,621,995.20 - Step 6: Final answer
x = 3,578,407.20
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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.