Finding the Fourth Proportional to 3,394,800.98, 4,684,731.68 and 1,866,908.10
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Solution
The fourth proportional to 3,394,800.98, 4,684,731.68 and 1,866,908.10 is: 2,576,281.67
Step by Step Solution
- Step 1: Write the proportion equation
3,394,800.98 : 4,684,731.68 = 1,866,908.10 : x - Step 2: Convert to fraction form
3,394,800.98/4,684,731.68 = 1,866,908.10/x - Step 3: Cross multiply
3,394,800.98x = 4,684,731.68 × 1,866,908.10 - Step 4: Simplify right side
3,394,800.98x = 8,745,963,524,385.88 - Step 5: Solve for x
x = 8,745,963,524,385.88/3,394,800.98 - Step 6: Final answer
x = 2,576,281.67
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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.