Finding the Fourth Proportional to 3,030,649.44, 4,182,393.83 and 1,723,867.99
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Solution
The fourth proportional to 3,030,649.44, 4,182,393.83 and 1,723,867.99 is: 2,378,993.34
Step by Step Solution
- Step 1: Write the proportion equation
3,030,649.44 : 4,182,393.83 = 1,723,867.99 : x - Step 2: Convert to fraction form
3,030,649.44/4,182,393.83 = 1,723,867.99/x - Step 3: Cross multiply
3,030,649.44x = 4,182,393.83 × 1,723,867.99 - Step 4: Simplify right side
3,030,649.44x = 7,209,894,826,035.18 - Step 5: Solve for x
x = 7,209,894,826,035.18/3,030,649.44 - Step 6: Final answer
x = 2,378,993.34
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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.