Finding the Fourth Proportional to 5,259,943.00, 7,258,649.98 and 2,936,871.23
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Solution
The fourth proportional to 5,259,943.00, 7,258,649.98 and 2,936,871.23 is: 4,052,842.45
Step by Step Solution
- Step 1: Write the proportion equation
5,259,943.00 : 7,258,649.98 = 2,936,871.23 : x - Step 2: Convert to fraction form
5,259,943.00/7,258,649.98 = 2,936,871.23/x - Step 3: Cross multiply
5,259,943.00x = 7,258,649.98 × 2,936,871.23 - Step 4: Simplify right side
5,259,943.00x = 21,317,720,280,217.72 - Step 5: Solve for x
x = 21,317,720,280,217.72/5,259,943.00 - Step 6: Final answer
x = 4,052,842.45
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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.