Finding the Fourth Proportional to 1,804,172.32, 2,489,760.84 and 988,358.14
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Solution
The fourth proportional to 1,804,172.32, 2,489,760.84 and 988,358.14 is: 1,363,935.90
Step by Step Solution
- Step 1: Write the proportion equation
1,804,172.32 : 2,489,760.84 = 988,358.14 : x - Step 2: Convert to fraction form
1,804,172.32/2,489,760.84 = 988,358.14/x - Step 3: Cross multiply
1,804,172.32x = 2,489,760.84 × 988,358.14 - Step 4: Simplify right side
1,804,172.32x = 2,460,775,392,867.24 - Step 5: Solve for x
x = 2,460,775,392,867.24/1,804,172.32 - Step 6: Final answer
x = 1,363,935.90
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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.