Finding the Fourth Proportional to 1,988,859.24, 2,744,620.74 and 1,083,439.08
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Solution
The fourth proportional to 1,988,859.24, 2,744,620.74 and 1,083,439.08 is: 1,495,143.20
Step by Step Solution
- Step 1: Write the proportion equation
1,988,859.24 : 2,744,620.74 = 1,083,439.08 : x - Step 2: Convert to fraction form
1,988,859.24/2,744,620.74 = 1,083,439.08/x - Step 3: Cross multiply
1,988,859.24x = 2,744,620.74 × 1,083,439.08 - Step 4: Simplify right side
1,988,859.24x = 2,973,629,369,494.52 - Step 5: Solve for x
x = 2,973,629,369,494.52/1,988,859.24 - Step 6: Final answer
x = 1,495,143.20
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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.