Finding the Fourth Proportional to 5,099,142.12, 7,036,549 and 2,806,855.08
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Solution
The fourth proportional to 5,099,142.12, 7,036,549 and 2,806,855.08 is: 3,873,312.97
Step by Step Solution
- Step 1: Write the proportion equation
5,099,142.12 : 7,036,549 = 2,806,855.08 : x - Step 2: Convert to fraction form
5,099,142.12/7,036,549 = 2,806,855.08/x - Step 3: Cross multiply
5,099,142.12x = 7,036,549 × 2,806,855.08 - Step 4: Simplify right side
5,099,142.12x = 19,750,573,306,318.92 - Step 5: Solve for x
x = 19,750,573,306,318.92/5,099,142.12 - Step 6: Final answer
x = 3,873,312.97
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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.