Finding the Fourth Proportional to 2,909,442.96, 4,014,743.70 and 1,620,403.32
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Solution
The fourth proportional to 2,909,442.96, 4,014,743.70 and 1,620,403.32 is: 2,235,996.41
Step by Step Solution
- Step 1: Write the proportion equation
2,909,442.96 : 4,014,743.70 = 1,620,403.32 : x - Step 2: Convert to fraction form
2,909,442.96/4,014,743.70 = 1,620,403.32/x - Step 3: Cross multiply
2,909,442.96x = 4,014,743.70 × 1,620,403.32 - Step 4: Simplify right side
2,909,442.96x = 6,505,504,020,429.09 - Step 5: Solve for x
x = 6,505,504,020,429.09/2,909,442.96 - Step 6: Final answer
x = 2,235,996.41
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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.