Finding the Fourth Proportional to 4,028,653.20, 5,559,793.20 and 2,217,817.20
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Solution
The fourth proportional to 4,028,653.20, 5,559,793.20 and 2,217,817.20 is: 3,060,726.35
Step by Step Solution
- Step 1: Write the proportion equation
4,028,653.20 : 5,559,793.20 = 2,217,817.20 : x - Step 2: Convert to fraction form
4,028,653.20/5,559,793.20 = 2,217,817.20/x - Step 3: Cross multiply
4,028,653.20x = 5,559,793.20 × 2,217,817.20 - Step 4: Simplify right side
4,028,653.20x = 12,330,604,987,403.04 - Step 5: Solve for x
x = 12,330,604,987,403.04/4,028,653.20 - Step 6: Final answer
x = 3,060,726.35
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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.