Finding the Fourth Proportional to 1,936,415.16, 2,672,252.97 and 1,065,261.99
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Solution
The fourth proportional to 1,936,415.16, 2,672,252.97 and 1,065,261.99 is: 1,470,061.57
Step by Step Solution
- Step 1: Write the proportion equation
1,936,415.16 : 2,672,252.97 = 1,065,261.99 : x - Step 2: Convert to fraction form
1,936,415.16/2,672,252.97 = 1,065,261.99/x - Step 3: Cross multiply
1,936,415.16x = 2,672,252.97 × 1,065,261.99 - Step 4: Simplify right side
1,936,415.16x = 2,846,649,516,605.61 - Step 5: Solve for x
x = 2,846,649,516,605.61/1,936,415.16 - Step 6: Final answer
x = 1,470,061.57
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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.