Finding the Fourth Proportional to 4,593,691.44, 6,890,012.28 and 1,228,160.88
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Solution
The fourth proportional to 4,593,691.44, 6,890,012.28 and 1,228,160.88 is: 1,842,100.99
Step by Step Solution
- Step 1: Write the proportion equation
4,593,691.44 : 6,890,012.28 = 1,228,160.88 : x - Step 2: Convert to fraction form
4,593,691.44/6,890,012.28 = 1,228,160.88/x - Step 3: Cross multiply
4,593,691.44x = 6,890,012.28 × 1,228,160.88 - Step 4: Simplify right side
4,593,691.44x = 8,462,043,545,015.61 - Step 5: Solve for x
x = 8,462,043,545,015.61/4,593,691.44 - Step 6: Final answer
x = 1,842,100.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.