Finding the Fourth Proportional to 3,768,931.24, 5,651,248.38 and 2,572,302.12
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Solution
The fourth proportional to 3,768,931.24, 5,651,248.38 and 2,572,302.12 is: 3,856,986.84
Step by Step Solution
- Step 1: Write the proportion equation
3,768,931.24 : 5,651,248.38 = 2,572,302.12 : x - Step 2: Convert to fraction form
3,768,931.24/5,651,248.38 = 2,572,302.12/x - Step 3: Cross multiply
3,768,931.24x = 5,651,248.38 × 2,572,302.12 - Step 4: Simplify right side
3,768,931.24x = 14,536,718,188,520.57 - Step 5: Solve for x
x = 14,536,718,188,520.57/3,768,931.24 - Step 6: Final answer
x = 3,856,986.84
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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.