Finding the Fourth Proportional to 2,754,297.94, 3,800,688.81 and 1,530,525.70
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Solution
The fourth proportional to 2,754,297.94, 3,800,688.81 and 1,530,525.70 is: 2,111,990.80
Step by Step Solution
- Step 1: Write the proportion equation
2,754,297.94 : 3,800,688.81 = 1,530,525.70 : x - Step 2: Convert to fraction form
2,754,297.94/3,800,688.81 = 1,530,525.70/x - Step 3: Cross multiply
2,754,297.94x = 3,800,688.81 × 1,530,525.70 - Step 4: Simplify right side
2,754,297.94x = 5,817,051,901,407.42 - Step 5: Solve for x
x = 5,817,051,901,407.42/2,754,297.94 - Step 6: Final answer
x = 2,111,990.80
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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.