Finding the Fourth Proportional to 3,238,828.98, 4,854,992.13 and 1,107,455.46
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Solution
The fourth proportional to 3,238,828.98, 4,854,992.13 and 1,107,455.46 is: 1,660,071.46
Step by Step Solution
- Step 1: Write the proportion equation
3,238,828.98 : 4,854,992.13 = 1,107,455.46 : x - Step 2: Convert to fraction form
3,238,828.98/4,854,992.13 = 1,107,455.46/x - Step 3: Cross multiply
3,238,828.98x = 4,854,992.13 × 1,107,455.46 - Step 4: Simplify right side
3,238,828.98x = 5,376,687,542,625.53 - Step 5: Solve for x
x = 5,376,687,542,625.53/3,238,828.98 - Step 6: Final answer
x = 1,660,071.46
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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.