Finding the Fourth Proportional to 1,651,170.54, 2,278,639.79 and 1,236,973.52
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Solution
The fourth proportional to 1,651,170.54, 2,278,639.79 and 1,236,973.52 is: 1,707,041.77
Step by Step Solution
- Step 1: Write the proportion equation
1,651,170.54 : 2,278,639.79 = 1,236,973.52 : x - Step 2: Convert to fraction form
1,651,170.54/2,278,639.79 = 1,236,973.52/x - Step 3: Cross multiply
1,651,170.54x = 2,278,639.79 × 1,236,973.52 - Step 4: Simplify right side
1,651,170.54x = 2,818,617,079,830.47 - Step 5: Solve for x
x = 2,818,617,079,830.47/1,651,170.54 - Step 6: Final answer
x = 1,707,041.77
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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.