Finding the Fourth Proportional to 3,378,710.07, 4,658,883.62 and 2,153,074.10
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Solution
The fourth proportional to 3,378,710.07, 4,658,883.62 and 2,153,074.10 is: 2,968,861.32
Step by Step Solution
- Step 1: Write the proportion equation
3,378,710.07 : 4,658,883.62 = 2,153,074.10 : x - Step 2: Convert to fraction form
3,378,710.07/4,658,883.62 = 2,153,074.10/x - Step 3: Cross multiply
3,378,710.07x = 4,658,883.62 × 2,153,074.10 - Step 4: Simplify right side
3,378,710.07x = 10,030,921,623,076.46 - Step 5: Solve for x
x = 10,030,921,623,076.46/3,378,710.07 - Step 6: Final answer
x = 2,968,861.32
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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.