Finding the Fourth Proportional to 3,818,881.11, 5,727,893.99 and 979,059.99
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Solution
The fourth proportional to 3,818,881.11, 5,727,893.99 and 979,059.99 is: 1,468,480.34
Step by Step Solution
- Step 1: Write the proportion equation
3,818,881.11 : 5,727,893.99 = 979,059.99 : x - Step 2: Convert to fraction form
3,818,881.11/5,727,893.99 = 979,059.99/x - Step 3: Cross multiply
3,818,881.11x = 5,727,893.99 × 979,059.99 - Step 4: Simplify right side
3,818,881.11x = 5,607,951,827,675.16 - Step 5: Solve for x
x = 5,607,951,827,675.16/3,818,881.11 - Step 6: Final answer
x = 1,468,480.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.