Finding the Fourth Proportional to 3,991,456.95, 5,506,647.62 and 2,460,906.87
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Solution
The fourth proportional to 3,991,456.95, 5,506,647.62 and 2,460,906.87 is: 3,395,087.84
Step by Step Solution
- Step 1: Write the proportion equation
3,991,456.95 : 5,506,647.62 = 2,460,906.87 : x - Step 2: Convert to fraction form
3,991,456.95/5,506,647.62 = 2,460,906.87/x - Step 3: Cross multiply
3,991,456.95x = 5,506,647.62 × 2,460,906.87 - Step 4: Simplify right side
3,991,456.95x = 13,551,346,946,422.62 - Step 5: Solve for x
x = 13,551,346,946,422.62/3,991,456.95 - Step 6: Final answer
x = 3,395,087.84
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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.