Finding the Fourth Proportional to 2,440,623.14, 3,368,183.55 and 1,407,746.78
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Solution
The fourth proportional to 2,440,623.14, 3,368,183.55 and 1,407,746.78 is: 1,942,761.86
Step by Step Solution
- Step 1: Write the proportion equation
2,440,623.14 : 3,368,183.55 = 1,407,746.78 : x - Step 2: Convert to fraction form
2,440,623.14/3,368,183.55 = 1,407,746.78/x - Step 3: Cross multiply
2,440,623.14x = 3,368,183.55 × 1,407,746.78 - Step 4: Simplify right side
2,440,623.14x = 4,741,549,546,961.47 - Step 5: Solve for x
x = 4,741,549,546,961.47/2,440,623.14 - Step 6: Final answer
x = 1,942,761.86
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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.