Finding the Fourth Proportional to 2,457,312.24, 3,391,124.84 and 1,369,553.52
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Solution
The fourth proportional to 2,457,312.24, 3,391,124.84 and 1,369,553.52 is: 1,890,002.78
Step by Step Solution
- Step 1: Write the proportion equation
2,457,312.24 : 3,391,124.84 = 1,369,553.52 : x - Step 2: Convert to fraction form
2,457,312.24/3,391,124.84 = 1,369,553.52/x - Step 3: Cross multiply
2,457,312.24x = 3,391,124.84 × 1,369,553.52 - Step 4: Simplify right side
2,457,312.24x = 4,644,326,961,381.44 - Step 5: Solve for x
x = 4,644,326,961,381.44/2,457,312.24 - Step 6: Final answer
x = 1,890,002.78
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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.