Finding the Fourth Proportional to 3,081,403.04, 4,252,321.68 and 1,723,281.44
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Solution
The fourth proportional to 3,081,403.04, 4,252,321.68 and 1,723,281.44 is: 2,378,120.27
Step by Step Solution
- Step 1: Write the proportion equation
3,081,403.04 : 4,252,321.68 = 1,723,281.44 : x - Step 2: Convert to fraction form
3,081,403.04/4,252,321.68 = 1,723,281.44/x - Step 3: Cross multiply
3,081,403.04x = 4,252,321.68 × 1,723,281.44 - Step 4: Simplify right side
3,081,403.04x = 7,327,947,028,053.62 - Step 5: Solve for x
x = 7,327,947,028,053.62/3,081,403.04 - Step 6: Final answer
x = 2,378,120.27
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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.