Finding the Fourth Proportional to 1,718,899.49, 2,578,349.70 and 639,270.98
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Solution
The fourth proportional to 1,718,899.49, 2,578,349.70 and 639,270.98 is: 958,906.64
Step by Step Solution
- Step 1: Write the proportion equation
1,718,899.49 : 2,578,349.70 = 639,270.98 : x - Step 2: Convert to fraction form
1,718,899.49/2,578,349.70 = 639,270.98/x - Step 3: Cross multiply
1,718,899.49x = 2,578,349.70 × 639,270.98 - Step 4: Simplify right side
1,718,899.49x = 1,648,264,126,609.96 - Step 5: Solve for x
x = 1,648,264,126,609.96/1,718,899.49 - Step 6: Final answer
x = 958,906.64
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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.