Finding the Fourth Proportional to 4,829,433.70, 7,248,816.15 and 2,939,865.70
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Solution
The fourth proportional to 4,829,433.70, 7,248,816.15 and 2,939,865.70 is: 4,412,638.68
Step by Step Solution
- Step 1: Write the proportion equation
4,829,433.70 : 7,248,816.15 = 2,939,865.70 : x - Step 2: Convert to fraction form
4,829,433.70/7,248,816.15 = 2,939,865.70/x - Step 3: Cross multiply
4,829,433.70x = 7,248,816.15 × 2,939,865.70 - Step 4: Simplify right side
4,829,433.70x = 21,310,545,964,991.06 - Step 5: Solve for x
x = 21,310,545,964,991.06/4,829,433.70 - Step 6: Final answer
x = 4,412,638.68
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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.