Finding the Fourth Proportional to 5,086,017.76, 7,018,675.12 and 2,794,129.12
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Solution
The fourth proportional to 5,086,017.76, 7,018,675.12 and 2,794,129.12 is: 3,855,882.04
Step by Step Solution
- Step 1: Write the proportion equation
5,086,017.76 : 7,018,675.12 = 2,794,129.12 : x - Step 2: Convert to fraction form
5,086,017.76/7,018,675.12 = 2,794,129.12/x - Step 3: Cross multiply
5,086,017.76x = 7,018,675.12 × 2,794,129.12 - Step 4: Simplify right side
5,086,017.76x = 19,611,084,536,611.50 - Step 5: Solve for x
x = 19,611,084,536,611.50/5,086,017.76 - Step 6: Final answer
x = 3,855,882.04
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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.