Finding the Fourth Proportional to 5,108,534.85, 7,051,486.42 and 3,044,197.99
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Solution
The fourth proportional to 5,108,534.85, 7,051,486.42 and 3,044,197.99 is: 4,202,011.23
Step by Step Solution
- Step 1: Write the proportion equation
5,108,534.85 : 7,051,486.42 = 3,044,197.99 : x - Step 2: Convert to fraction form
5,108,534.85/7,051,486.42 = 3,044,197.99/x - Step 3: Cross multiply
5,108,534.85x = 7,051,486.42 × 3,044,197.99 - Step 4: Simplify right side
5,108,534.85x = 21,466,120,798,895.90 - Step 5: Solve for x
x = 21,466,120,798,895.90/5,108,534.85 - Step 6: Final answer
x = 4,202,011.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.