Finding the Fourth Proportional to 4,866,437.81, 6,715,551.21 and 2,690,906.58
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Solution
The fourth proportional to 4,866,437.81, 6,715,551.21 and 2,690,906.58 is: 3,713,377.56
Step by Step Solution
- Step 1: Write the proportion equation
4,866,437.81 : 6,715,551.21 = 2,690,906.58 : x - Step 2: Convert to fraction form
4,866,437.81/6,715,551.21 = 2,690,906.58/x - Step 3: Cross multiply
4,866,437.81x = 6,715,551.21 × 2,690,906.58 - Step 4: Simplify right side
4,866,437.81x = 18,070,920,939,315.96 - Step 5: Solve for x
x = 18,070,920,939,315.96/4,866,437.81 - Step 6: Final answer
x = 3,713,377.56
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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.