Finding the Fourth Proportional to 4,432,755.41, 6,649,510.30 and 1,399,309.73
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Solution
The fourth proportional to 4,432,755.41, 6,649,510.30 and 1,399,309.73 is: 2,099,083.66
Step by Step Solution
- Step 1: Write the proportion equation
4,432,755.41 : 6,649,510.30 = 1,399,309.73 : x - Step 2: Convert to fraction form
4,432,755.41/6,649,510.30 = 1,399,309.73/x - Step 3: Cross multiply
4,432,755.41x = 6,649,510.30 × 1,399,309.73 - Step 4: Simplify right side
4,432,755.41x = 9,304,724,462,525.22 - Step 5: Solve for x
x = 9,304,724,462,525.22/4,432,755.41 - Step 6: Final answer
x = 2,099,083.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.