Finding the Fourth Proportional to 3,219,564.60, 4,829,346.90 and 2,085,823.80
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Solution
The fourth proportional to 3,219,564.60, 4,829,346.90 and 2,085,823.80 is: 3,128,735.70
Step by Step Solution
- Step 1: Write the proportion equation
3,219,564.60 : 4,829,346.90 = 2,085,823.80 : x - Step 2: Convert to fraction form
3,219,564.60/4,829,346.90 = 2,085,823.80/x - Step 3: Cross multiply
3,219,564.60x = 4,829,346.90 × 2,085,823.80 - Step 4: Simplify right side
3,219,564.60x = 10,073,166,702,476.22 - Step 5: Solve for x
x = 10,073,166,702,476.22/3,219,564.60 - Step 6: Final answer
x = 3,128,735.70
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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.