Finding the Fourth Proportional to 4,399,277.20, 6,604,820.70 and 2,808,890.80
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Solution
The fourth proportional to 4,399,277.20, 6,604,820.70 and 2,808,890.80 is: 4,217,106.41
Step by Step Solution
- Step 1: Write the proportion equation
4,399,277.20 : 6,604,820.70 = 2,808,890.80 : x - Step 2: Convert to fraction form
4,399,277.20/6,604,820.70 = 2,808,890.80/x - Step 3: Cross multiply
4,399,277.20x = 6,604,820.70 × 2,808,890.80 - Step 4: Simplify right side
4,399,277.20x = 18,552,220,099,879.56 - Step 5: Solve for x
x = 18,552,220,099,879.56/4,399,277.20 - Step 6: Final answer
x = 4,217,106.41
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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.