Finding the Fourth Proportional to 2,671,153.45, 3,987,388.63 and 2,347,943.21
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Solution
The fourth proportional to 2,671,153.45, 3,987,388.63 and 2,347,943.21 is: 3,504,913.61
Step by Step Solution
- Step 1: Write the proportion equation
2,671,153.45 : 3,987,388.63 = 2,347,943.21 : x - Step 2: Convert to fraction form
2,671,153.45/3,987,388.63 = 2,347,943.21/x - Step 3: Cross multiply
2,671,153.45x = 3,987,388.63 × 2,347,943.21 - Step 4: Simplify right side
2,671,153.45x = 9,362,162,063,496.24 - Step 5: Solve for x
x = 9,362,162,063,496.24/2,671,153.45 - Step 6: Final answer
x = 3,504,913.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.