Finding the Fourth Proportional to 4,979,423.80, 7,467,386.10 and 2,285,039.80
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Solution
The fourth proportional to 4,979,423.80, 7,467,386.10 and 2,285,039.80 is: 3,426,756.81
Step by Step Solution
- Step 1: Write the proportion equation
4,979,423.80 : 7,467,386.10 = 2,285,039.80 : x - Step 2: Convert to fraction form
4,979,423.80/7,467,386.10 = 2,285,039.80/x - Step 3: Cross multiply
4,979,423.80x = 7,467,386.10 × 2,285,039.80 - Step 4: Simplify right side
4,979,423.80x = 17,063,274,440,466.78 - Step 5: Solve for x
x = 17,063,274,440,466.78/4,979,423.80 - Step 6: Final answer
x = 3,426,756.81
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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.