Finding the Fourth Proportional to 1,537,401.98, 2,121,475.11 and 858,213.50
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Solution
The fourth proportional to 1,537,401.98, 2,121,475.11 and 858,213.50 is: 1,184,256.69
Step by Step Solution
- Step 1: Write the proportion equation
1,537,401.98 : 2,121,475.11 = 858,213.50 : x - Step 2: Convert to fraction form
1,537,401.98/2,121,475.11 = 858,213.50/x - Step 3: Cross multiply
1,537,401.98x = 2,121,475.11 × 858,213.50 - Step 4: Simplify right side
1,537,401.98x = 1,820,678,579,315.99 - Step 5: Solve for x
x = 1,820,678,579,315.99/1,537,401.98 - Step 6: Final answer
x = 1,184,256.69
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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.