Finding the Fourth Proportional to 3,633,582.30, 5,014,297.21 and 1,979,798.34
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Solution
The fourth proportional to 3,633,582.30, 5,014,297.21 and 1,979,798.34 is: 2,732,096.45
Step by Step Solution
- Step 1: Write the proportion equation
3,633,582.30 : 5,014,297.21 = 1,979,798.34 : x - Step 2: Convert to fraction form
3,633,582.30/5,014,297.21 = 1,979,798.34/x - Step 3: Cross multiply
3,633,582.30x = 5,014,297.21 × 1,979,798.34 - Step 4: Simplify right side
3,633,582.30x = 9,927,297,292,624.63 - Step 5: Solve for x
x = 9,927,297,292,624.63/3,633,582.30 - Step 6: Final answer
x = 2,732,096.45
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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.