Finding the Fourth Proportional to 2,008,920.87, 2,772,330.98 and 1,091,167.92
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Solution
The fourth proportional to 2,008,920.87, 2,772,330.98 and 1,091,167.92 is: 1,505,822.69
Step by Step Solution
- Step 1: Write the proportion equation
2,008,920.87 : 2,772,330.98 = 1,091,167.92 : x - Step 2: Convert to fraction form
2,008,920.87/2,772,330.98 = 1,091,167.92/x - Step 3: Cross multiply
2,008,920.87x = 2,772,330.98 × 1,091,167.92 - Step 4: Simplify right side
2,008,920.87x = 3,025,078,623,542.32 - Step 5: Solve for x
x = 3,025,078,623,542.32/2,008,920.87 - Step 6: Final answer
x = 1,505,822.69
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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.