Finding the Fourth Proportional to 1,801,765.99, 2,486,437.31 and 985,969.86
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Solution
The fourth proportional to 1,801,765.99, 2,486,437.31 and 985,969.86 is: 1,360,638.54
Step by Step Solution
- Step 1: Write the proportion equation
1,801,765.99 : 2,486,437.31 = 985,969.86 : x - Step 2: Convert to fraction form
1,801,765.99/2,486,437.31 = 985,969.86/x - Step 3: Cross multiply
1,801,765.99x = 2,486,437.31 × 985,969.86 - Step 4: Simplify right side
1,801,765.99x = 2,451,552,241,509.63 - Step 5: Solve for x
x = 2,451,552,241,509.63/1,801,765.99 - Step 6: Final answer
x = 1,360,638.54
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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.