Finding the Fourth Proportional to 2,221,421.55, 3,332,261.55 and 624,109.17
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Solution
The fourth proportional to 2,221,421.55, 3,332,261.55 and 624,109.17 is: 936,200.06
Step by Step Solution
- Step 1: Write the proportion equation
2,221,421.55 : 3,332,261.55 = 624,109.17 : x - Step 2: Convert to fraction form
2,221,421.55/3,332,261.55 = 624,109.17/x - Step 3: Cross multiply
2,221,421.55x = 3,332,261.55 × 624,109.17 - Step 4: Simplify right side
2,221,421.55x = 2,079,694,990,193.41 - Step 5: Solve for x
x = 2,079,694,990,193.41/2,221,421.55 - Step 6: Final answer
x = 936,200.06
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1.5x scale
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.