Finding the Fourth Proportional to 2,019,783.11, 2,787,343.99 and 1,102,030.43
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Solution
The fourth proportional to 2,019,783.11, 2,787,343.99 and 1,102,030.43 is: 1,520,825.61
Step by Step Solution
- Step 1: Write the proportion equation
2,019,783.11 : 2,787,343.99 = 1,102,030.43 : x - Step 2: Convert to fraction form
2,019,783.11/2,787,343.99 = 1,102,030.43/x - Step 3: Cross multiply
2,019,783.11x = 2,787,343.99 × 1,102,030.43 - Step 4: Simplify right side
2,019,783.11x = 3,071,737,879,165.82 - Step 5: Solve for x
x = 3,071,737,879,165.82/2,019,783.11 - Step 6: Final answer
x = 1,520,825.61
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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.