Finding the Fourth Proportional to 5,130,959.70, 7,079,599.68 and 3,065,664.98
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Solution
The fourth proportional to 5,130,959.70, 7,079,599.68 and 3,065,664.98 is: 4,229,945.68
Step by Step Solution
- Step 1: Write the proportion equation
5,130,959.70 : 7,079,599.68 = 3,065,664.98 : x - Step 2: Convert to fraction form
5,130,959.70/7,079,599.68 = 3,065,664.98/x - Step 3: Cross multiply
5,130,959.70x = 7,079,599.68 × 3,065,664.98 - Step 4: Simplify right side
5,130,959.70x = 21,703,680,811,395.21 - Step 5: Solve for x
x = 21,703,680,811,395.21/5,130,959.70 - Step 6: Final answer
x = 4,229,945.68
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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.