Finding the Fourth Proportional to 1,841,441.99, 2,540,309.81 and 1,430,733.11
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Solution
The fourth proportional to 1,841,441.99, 2,540,309.81 and 1,430,733.11 is: 1,973,727.85
Step by Step Solution
- Step 1: Write the proportion equation
1,841,441.99 : 2,540,309.81 = 1,430,733.11 : x - Step 2: Convert to fraction form
1,841,441.99/2,540,309.81 = 1,430,733.11/x - Step 3: Cross multiply
1,841,441.99x = 2,540,309.81 × 1,430,733.11 - Step 4: Simplify right side
1,841,441.99x = 3,634,505,334,969.60 - Step 5: Solve for x
x = 3,634,505,334,969.60/1,841,441.99 - Step 6: Final answer
x = 1,973,727.85
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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.