Finding the Fourth Proportional to 3,882,497.34, 5,357,851.47 and 2,163,580.14
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Solution
The fourth proportional to 3,882,497.34, 5,357,851.47 and 2,163,580.14 is: 2,985,743.46
Step by Step Solution
- Step 1: Write the proportion equation
3,882,497.34 : 5,357,851.47 = 2,163,580.14 : x - Step 2: Convert to fraction form
3,882,497.34/5,357,851.47 = 2,163,580.14/x - Step 3: Cross multiply
3,882,497.34x = 5,357,851.47 × 2,163,580.14 - Step 4: Simplify right side
3,882,497.34x = 11,592,141,033,561.81 - Step 5: Solve for x
x = 11,592,141,033,561.81/3,882,497.34 - Step 6: Final answer
x = 2,985,743.46
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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.