Finding the Fourth Proportional to 3,796,973.12, 5,695,311.68 and 1,399,780.80
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Solution
The fourth proportional to 3,796,973.12, 5,695,311.68 and 1,399,780.80 is: 2,099,616.64
Step by Step Solution
- Step 1: Write the proportion equation
3,796,973.12 : 5,695,311.68 = 1,399,780.80 : x - Step 2: Convert to fraction form
3,796,973.12/5,695,311.68 = 1,399,780.80/x - Step 3: Cross multiply
3,796,973.12x = 5,695,311.68 × 1,399,780.80 - Step 4: Simplify right side
3,796,973.12x = 7,972,187,939,679.74 - Step 5: Solve for x
x = 7,972,187,939,679.74/3,796,973.12 - Step 6: Final answer
x = 2,099,616.64
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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.