Finding the Fourth Proportional to 2,938,665.28, 4,407,481.68 and 808,235.68
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Solution
The fourth proportional to 2,938,665.28, 4,407,481.68 and 808,235.68 is: 1,212,211.54
Step by Step Solution
- Step 1: Write the proportion equation
2,938,665.28 : 4,407,481.68 = 808,235.68 : x - Step 2: Convert to fraction form
2,938,665.28/4,407,481.68 = 808,235.68/x - Step 3: Cross multiply
2,938,665.28x = 4,407,481.68 × 808,235.68 - Step 4: Simplify right side
2,938,665.28x = 3,562,283,952,722.34 - Step 5: Solve for x
x = 3,562,283,952,722.34/2,938,665.28 - Step 6: Final answer
x = 1,212,211.54
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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.