Finding the Fourth Proportional to 2,149,756.20, 3,224,634.30 and 1,477,909.80
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Solution
The fourth proportional to 2,149,756.20, 3,224,634.30 and 1,477,909.80 is: 2,216,864.70
Step by Step Solution
- Step 1: Write the proportion equation
2,149,756.20 : 3,224,634.30 = 1,477,909.80 : x - Step 2: Convert to fraction form
2,149,756.20/3,224,634.30 = 1,477,909.80/x - Step 3: Cross multiply
2,149,756.20x = 3,224,634.30 × 1,477,909.80 - Step 4: Simplify right side
2,149,756.20x = 4,765,718,633,386.14 - Step 5: Solve for x
x = 4,765,718,633,386.14/2,149,756.20 - Step 6: Final answer
x = 2,216,864.70
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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.