Finding the Fourth Proportional to 1,646,078.26, 2,271,149.94 and 1,129,990
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Solution
The fourth proportional to 1,646,078.26, 2,271,149.94 and 1,129,990 is: 1,559,085.48
Step by Step Solution
- Step 1: Write the proportion equation
1,646,078.26 : 2,271,149.94 = 1,129,990 : x - Step 2: Convert to fraction form
1,646,078.26/2,271,149.94 = 1,129,990/x - Step 3: Cross multiply
1,646,078.26x = 2,271,149.94 × 1,129,990 - Step 4: Simplify right side
1,646,078.26x = 2,566,376,720,700.60 - Step 5: Solve for x
x = 2,566,376,720,700.60/1,646,078.26 - Step 6: Final answer
x = 1,559,085.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.