Finding the Fourth Proportional to 2,054,890.81, 2,836,889.49 and 1,239,301.95
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Solution
The fourth proportional to 2,054,890.81, 2,836,889.49 and 1,239,301.95 is: 1,710,924.33
Step by Step Solution
- Step 1: Write the proportion equation
2,054,890.81 : 2,836,889.49 = 1,239,301.95 : x - Step 2: Convert to fraction form
2,054,890.81/2,836,889.49 = 1,239,301.95/x - Step 3: Cross multiply
2,054,890.81x = 2,836,889.49 × 1,239,301.95 - Step 4: Simplify right side
2,054,890.81x = 3,515,762,676,891.51 - Step 5: Solve for x
x = 3,515,762,676,891.51/2,054,890.81 - Step 6: Final answer
x = 1,710,924.33
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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.