Finding the Fourth Proportional to 3,578,712.36, 4,936,995.73 and 2,127,584.40
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Solution
The fourth proportional to 3,578,712.36, 4,936,995.73 and 2,127,584.40 is: 2,935,099.01
Step by Step Solution
- Step 1: Write the proportion equation
3,578,712.36 : 4,936,995.73 = 2,127,584.40 : x - Step 2: Convert to fraction form
3,578,712.36/4,936,995.73 = 2,127,584.40/x - Step 3: Cross multiply
3,578,712.36x = 4,936,995.73 × 2,127,584.40 - Step 4: Simplify right side
3,578,712.36x = 10,503,875,098,014.61 - Step 5: Solve for x
x = 10,503,875,098,014.61/3,578,712.36 - Step 6: Final answer
x = 2,935,099.01
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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.