Finding the Fourth Proportional to 4,818,262.14, 7,217,757.09 and 2,898,113.06
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Solution
The fourth proportional to 4,818,262.14, 7,217,757.09 and 2,898,113.06 is: 4,341,373.61
Step by Step Solution
- Step 1: Write the proportion equation
4,818,262.14 : 7,217,757.09 = 2,898,113.06 : x - Step 2: Convert to fraction form
4,818,262.14/7,217,757.09 = 2,898,113.06/x - Step 3: Cross multiply
4,818,262.14x = 7,217,757.09 × 2,898,113.06 - Step 4: Simplify right side
4,818,262.14x = 20,917,876,104,480.99 - Step 5: Solve for x
x = 20,917,876,104,480.99/4,818,262.14 - Step 6: Final answer
x = 4,341,373.61
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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.