Finding the Fourth Proportional to 4,154,877.20, 6,231,149.40 and 1,315,859.60
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Solution
The fourth proportional to 4,154,877.20, 6,231,149.40 and 1,315,859.60 is: 1,973,420.00
Step by Step Solution
- Step 1: Write the proportion equation
4,154,877.20 : 6,231,149.40 = 1,315,859.60 : x - Step 2: Convert to fraction form
4,154,877.20/6,231,149.40 = 1,315,859.60/x - Step 3: Cross multiply
4,154,877.20x = 6,231,149.40 × 1,315,859.60 - Step 4: Simplify right side
4,154,877.20x = 8,199,317,757,024.24 - Step 5: Solve for x
x = 8,199,317,757,024.24/4,154,877.20 - Step 6: Final answer
x = 1,973,420.00
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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.