Finding the Fourth Proportional to 1,965,629.84, 2,712,680.84 and 1,180,935.76
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Solution
The fourth proportional to 1,965,629.84, 2,712,680.84 and 1,180,935.76 is: 1,629,758.43
Step by Step Solution
- Step 1: Write the proportion equation
1,965,629.84 : 2,712,680.84 = 1,180,935.76 : x - Step 2: Convert to fraction form
1,965,629.84/2,712,680.84 = 1,180,935.76/x - Step 3: Cross multiply
1,965,629.84x = 2,712,680.84 × 1,180,935.76 - Step 4: Simplify right side
1,965,629.84x = 3,203,501,809,422.84 - Step 5: Solve for x
x = 3,203,501,809,422.84/1,965,629.84 - Step 6: Final answer
x = 1,629,758.43
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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.