Finding the Fourth Proportional to 2,425,403.20, 3,638,117.40 and 628,160.80
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Solution
The fourth proportional to 2,425,403.20, 3,638,117.40 and 628,160.80 is: 942,244.46
Step by Step Solution
- Step 1: Write the proportion equation
2,425,403.20 : 3,638,117.40 = 628,160.80 : x - Step 2: Convert to fraction form
2,425,403.20/3,638,117.40 = 628,160.80/x - Step 3: Cross multiply
2,425,403.20x = 3,638,117.40 × 628,160.80 - Step 4: Simplify right side
2,425,403.20x = 2,285,322,736,477.92 - Step 5: Solve for x
x = 2,285,322,736,477.92/2,425,403.20 - Step 6: Final answer
x = 942,244.46
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1.5x scale
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.