Finding the Fourth Proportional to 4,923,542.70, 7,379,101.80 and 2,495,306.16
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Solution
The fourth proportional to 4,923,542.70, 7,379,101.80 and 2,495,306.16 is: 3,739,810.80
Step by Step Solution
- Step 1: Write the proportion equation
4,923,542.70 : 7,379,101.80 = 2,495,306.16 : x - Step 2: Convert to fraction form
4,923,542.70/7,379,101.80 = 2,495,306.16/x - Step 3: Cross multiply
4,923,542.70x = 7,379,101.80 × 2,495,306.16 - Step 4: Simplify right side
4,923,542.70x = 18,413,118,176,807.09 - Step 5: Solve for x
x = 18,413,118,176,807.09/4,923,542.70 - Step 6: Final answer
x = 3,739,810.80
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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.