Finding the Fourth Proportional to 1,248,896.19, 1,874,519.10 and 1,180,639.23
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Solution
The fourth proportional to 1,248,896.19, 1,874,519.10 and 1,180,639.23 is: 1,772,069.44
Step by Step Solution
- Step 1: Write the proportion equation
1,248,896.19 : 1,874,519.10 = 1,180,639.23 : x - Step 2: Convert to fraction form
1,248,896.19/1,874,519.10 = 1,180,639.23/x - Step 3: Cross multiply
1,248,896.19x = 1,874,519.10 × 1,180,639.23 - Step 4: Simplify right side
1,248,896.19x = 2,213,130,777,471.70 - Step 5: Solve for x
x = 2,213,130,777,471.70/1,248,896.19 - Step 6: Final answer
x = 1,772,069.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.