Finding the Fourth Proportional to 4,187,908.80, 6,283,124.36 and 1,491,882.12
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Solution
The fourth proportional to 4,187,908.80, 6,283,124.36 and 1,491,882.12 is: 2,238,272.45
Step by Step Solution
- Step 1: Write the proportion equation
4,187,908.80 : 6,283,124.36 = 1,491,882.12 : x - Step 2: Convert to fraction form
4,187,908.80/6,283,124.36 = 1,491,882.12/x - Step 3: Cross multiply
4,187,908.80x = 6,283,124.36 × 1,491,882.12 - Step 4: Simplify right side
4,187,908.80x = 9,373,680,890,420.45 - Step 5: Solve for x
x = 9,373,680,890,420.45/4,187,908.80 - Step 6: Final answer
x = 2,238,272.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.