Finding the Fourth Proportional to 5,007,086.18, 6,909,780.76 and 2,715,246.26
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Solution
The fourth proportional to 5,007,086.18, 6,909,780.76 and 2,715,246.26 is: 3,747,040.83
Step by Step Solution
- Step 1: Write the proportion equation
5,007,086.18 : 6,909,780.76 = 2,715,246.26 : x - Step 2: Convert to fraction form
5,007,086.18/6,909,780.76 = 2,715,246.26/x - Step 3: Cross multiply
5,007,086.18x = 6,909,780.76 × 2,715,246.26 - Step 4: Simplify right side
5,007,086.18x = 18,761,756,366,009.96 - Step 5: Solve for x
x = 18,761,756,366,009.96/5,007,086.18 - Step 6: Final answer
x = 3,747,040.83
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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.