Finding the Fourth Proportional to 2,107,328.06, 2,906,138.67 and 1,398,836.36
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Solution
The fourth proportional to 2,107,328.06, 2,906,138.67 and 1,398,836.36 is: 1,929,083.81
Step by Step Solution
- Step 1: Write the proportion equation
2,107,328.06 : 2,906,138.67 = 1,398,836.36 : x - Step 2: Convert to fraction form
2,107,328.06/2,906,138.67 = 1,398,836.36/x - Step 3: Cross multiply
2,107,328.06x = 2,906,138.67 × 1,398,836.36 - Step 4: Simplify right side
2,107,328.06x = 4,065,212,438,798.04 - Step 5: Solve for x
x = 4,065,212,438,798.04/2,107,328.06 - Step 6: Final answer
x = 1,929,083.81
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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.