Finding the Fourth Proportional to 1,851,655.96, 2,555,225.92 and 1,035,842.09
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Solution
The fourth proportional to 1,851,655.96, 2,555,225.92 and 1,035,842.09 is: 1,429,428.90
Step by Step Solution
- Step 1: Write the proportion equation
1,851,655.96 : 2,555,225.92 = 1,035,842.09 : x - Step 2: Convert to fraction form
1,851,655.96/2,555,225.92 = 1,035,842.09/x - Step 3: Cross multiply
1,851,655.96x = 2,555,225.92 × 1,035,842.09 - Step 4: Simplify right side
1,851,655.96x = 2,646,810,542,029.24 - Step 5: Solve for x
x = 2,646,810,542,029.24/1,851,655.96 - Step 6: Final answer
x = 1,429,428.90
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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.