Finding the Fourth Proportional to 2,449,721.13, 3,674,344.11 and 743,879.20
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Solution
The fourth proportional to 2,449,721.13, 3,674,344.11 and 743,879.20 is: 1,115,746.66
Step by Step Solution
- Step 1: Write the proportion equation
2,449,721.13 : 3,674,344.11 = 743,879.20 : x - Step 2: Convert to fraction form
2,449,721.13/3,674,344.11 = 743,879.20/x - Step 3: Cross multiply
2,449,721.13x = 3,674,344.11 × 743,879.20 - Step 4: Simplify right side
2,449,721.13x = 2,733,268,157,071.51 - Step 5: Solve for x
x = 2,733,268,157,071.51/2,449,721.13 - Step 6: Final answer
x = 1,115,746.66
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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.