Finding the Fourth Proportional to 4,238,663.60, 6,348,664.20 and 3,765,882.80
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Solution
The fourth proportional to 4,238,663.60, 6,348,664.20 and 3,765,882.80 is: 5,640,533.80
Step by Step Solution
- Step 1: Write the proportion equation
4,238,663.60 : 6,348,664.20 = 3,765,882.80 : x - Step 2: Convert to fraction form
4,238,663.60/6,348,664.20 = 3,765,882.80/x - Step 3: Cross multiply
4,238,663.60x = 6,348,664.20 × 3,765,882.80 - Step 4: Simplify right side
4,238,663.60x = 23,908,325,313,755.76 - Step 5: Solve for x
x = 23,908,325,313,755.76/4,238,663.60 - Step 6: Final answer
x = 5,640,533.80
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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.