Finding the Fourth Proportional to 2,871,207.39, 3,959,603.99 and 2,095,610.57
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Solution
The fourth proportional to 2,871,207.39, 3,959,603.99 and 2,095,610.57 is: 2,889,999.51
Step by Step Solution
- Step 1: Write the proportion equation
2,871,207.39 : 3,959,603.99 = 2,095,610.57 : x - Step 2: Convert to fraction form
2,871,207.39/3,959,603.99 = 2,095,610.57/x - Step 3: Cross multiply
2,871,207.39x = 3,959,603.99 × 2,095,610.57 - Step 4: Simplify right side
2,871,207.39x = 8,297,787,968,850.94 - Step 5: Solve for x
x = 8,297,787,968,850.94/2,871,207.39 - Step 6: Final answer
x = 2,889,999.51
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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.