Finding the Fourth Proportional to 5,837,122.10, 8,732,063.55 and 5,128,534.10
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Solution
The fourth proportional to 5,837,122.10, 8,732,063.55 and 5,128,534.10 is: 7,672,048.81
Step by Step Solution
- Step 1: Write the proportion equation
5,837,122.10 : 8,732,063.55 = 5,128,534.10 : x - Step 2: Convert to fraction form
5,837,122.10/8,732,063.55 = 5,128,534.10/x - Step 3: Cross multiply
5,837,122.10x = 8,732,063.55 × 5,128,534.10 - Step 4: Simplify right side
5,837,122.10x = 44,782,685,679,542.05 - Step 5: Solve for x
x = 44,782,685,679,542.05/5,837,122.10 - Step 6: Final answer
x = 7,672,048.81
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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.