Finding the Fourth Proportional to 2,628,160.92, 3,626,867.34 and 1,420,936.92
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Solution
The fourth proportional to 2,628,160.92, 3,626,867.34 and 1,420,936.92 is: 1,960,895.80
Step by Step Solution
- Step 1: Write the proportion equation
2,628,160.92 : 3,626,867.34 = 1,420,936.92 : x - Step 2: Convert to fraction form
2,628,160.92/3,626,867.34 = 1,420,936.92/x - Step 3: Cross multiply
2,628,160.92x = 3,626,867.34 × 1,420,936.92 - Step 4: Simplify right side
2,628,160.92x = 5,153,549,707,348.19 - Step 5: Solve for x
x = 5,153,549,707,348.19/2,628,160.92 - Step 6: Final answer
x = 1,960,895.80
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1.5x scale
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.