Finding the Fourth Proportional to 2,645,521.05, 3,651,596.02 and 1,727,890.48
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Solution
The fourth proportional to 2,645,521.05, 3,651,596.02 and 1,727,890.48 is: 2,384,996.32
Step by Step Solution
- Step 1: Write the proportion equation
2,645,521.05 : 3,651,596.02 = 1,727,890.48 : x - Step 2: Convert to fraction form
2,645,521.05/3,651,596.02 = 1,727,890.48/x - Step 3: Cross multiply
2,645,521.05x = 3,651,596.02 × 1,727,890.48 - Step 4: Simplify right side
2,645,521.05x = 6,309,557,972,866.46 - Step 5: Solve for x
x = 6,309,557,972,866.46/2,645,521.05 - Step 6: Final answer
x = 2,384,996.32
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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.