Finding the Fourth Proportional to 2,115,695.99, 3,173,765.42 and 695,862.78
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Solution
The fourth proportional to 2,115,695.99, 3,173,765.42 and 695,862.78 is: 1,043,867.00
Step by Step Solution
- Step 1: Write the proportion equation
2,115,695.99 : 3,173,765.42 = 695,862.78 : x - Step 2: Convert to fraction form
2,115,695.99/3,173,765.42 = 695,862.78/x - Step 3: Cross multiply
2,115,695.99x = 3,173,765.42 × 695,862.78 - Step 4: Simplify right side
2,115,695.99x = 2,208,505,224,749.75 - Step 5: Solve for x
x = 2,208,505,224,749.75/2,115,695.99 - Step 6: Final answer
x = 1,043,867.00
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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.