Finding the Fourth Proportional to 4,102,970.30, 5,662,315.78 and 2,471,891.12
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Solution
The fourth proportional to 4,102,970.30, 5,662,315.78 and 2,471,891.12 is: 3,411,340.34
Step by Step Solution
- Step 1: Write the proportion equation
4,102,970.30 : 5,662,315.78 = 2,471,891.12 : x - Step 2: Convert to fraction form
4,102,970.30/5,662,315.78 = 2,471,891.12/x - Step 3: Cross multiply
4,102,970.30x = 5,662,315.78 × 2,471,891.12 - Step 4: Simplify right side
4,102,970.30x = 13,996,628,095,217.88 - Step 5: Solve for x
x = 13,996,628,095,217.88/4,102,970.30 - Step 6: Final answer
x = 3,411,340.34
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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.