Finding the Fourth Proportional to 3,497,688.30, 5,246,532.45 and 1,366,277.90
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Solution
The fourth proportional to 3,497,688.30, 5,246,532.45 and 1,366,277.90 is: 2,049,416.84
Step by Step Solution
- Step 1: Write the proportion equation
3,497,688.30 : 5,246,532.45 = 1,366,277.90 : x - Step 2: Convert to fraction form
3,497,688.30/5,246,532.45 = 1,366,277.90/x - Step 3: Cross multiply
3,497,688.30x = 5,246,532.45 × 1,366,277.90 - Step 4: Simplify right side
3,497,688.30x = 7,168,221,311,835.19 - Step 5: Solve for x
x = 7,168,221,311,835.19/3,497,688.30 - Step 6: Final answer
x = 2,049,416.84
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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.