Finding the Fourth Proportional to 4,622,688.45, 6,375,395.70 and 2,786,744.34
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Solution
The fourth proportional to 4,622,688.45, 6,375,395.70 and 2,786,744.34 is: 3,843,347.45
Step by Step Solution
- Step 1: Write the proportion equation
4,622,688.45 : 6,375,395.70 = 2,786,744.34 : x - Step 2: Convert to fraction form
4,622,688.45/6,375,395.70 = 2,786,744.34/x - Step 3: Cross multiply
4,622,688.45x = 6,375,395.70 × 2,786,744.34 - Step 4: Simplify right side
4,622,688.45x = 17,766,597,882,235.34 - Step 5: Solve for x
x = 17,766,597,882,235.34/4,622,688.45 - Step 6: Final answer
x = 3,843,347.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.