Finding the Fourth Proportional to 1,508,029.98, 2,081,028.69 and 828,961.62
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Solution
The fourth proportional to 1,508,029.98, 2,081,028.69 and 828,961.62 is: 1,143,938.08
Step by Step Solution
- Step 1: Write the proportion equation
1,508,029.98 : 2,081,028.69 = 828,961.62 : x - Step 2: Convert to fraction form
1,508,029.98/2,081,028.69 = 828,961.62/x - Step 3: Cross multiply
1,508,029.98x = 2,081,028.69 × 828,961.62 - Step 4: Simplify right side
1,508,029.98x = 1,725,092,914,128.88 - Step 5: Solve for x
x = 1,725,092,914,128.88/1,508,029.98 - Step 6: Final answer
x = 1,143,938.08
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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.