Finding the Fourth Proportional to 3,475,769.61, 4,796,489.75 and 1,905,879.45
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Solution
The fourth proportional to 3,475,769.61, 4,796,489.75 and 1,905,879.45 is: 2,630,073.99
Step by Step Solution
- Step 1: Write the proportion equation
3,475,769.61 : 4,796,489.75 = 1,905,879.45 : x - Step 2: Convert to fraction form
3,475,769.61/4,796,489.75 = 1,905,879.45/x - Step 3: Cross multiply
3,475,769.61x = 4,796,489.75 × 1,905,879.45 - Step 4: Simplify right side
3,475,769.61x = 9,141,531,237,131.24 - Step 5: Solve for x
x = 9,141,531,237,131.24/3,475,769.61 - Step 6: Final answer
x = 2,630,073.99
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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.