Finding the Fourth Proportional to 2,687,999.05, 3,709,437.05 and 1,480,775.05
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Solution
The fourth proportional to 2,687,999.05, 3,709,437.05 and 1,480,775.05 is: 2,043,468.66
Step by Step Solution
- Step 1: Write the proportion equation
2,687,999.05 : 3,709,437.05 = 1,480,775.05 : x - Step 2: Convert to fraction form
2,687,999.05/3,709,437.05 = 1,480,775.05/x - Step 3: Cross multiply
2,687,999.05x = 3,709,437.05 × 1,480,775.05 - Step 4: Simplify right side
2,687,999.05x = 5,492,841,807,234.54 - Step 5: Solve for x
x = 5,492,841,807,234.54/2,687,999.05 - Step 6: Final answer
x = 2,043,468.66
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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.