Finding the Fourth Proportional to 1,560,429.36, 2,153,283.75 and 881,234.64
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Solution
The fourth proportional to 1,560,429.36, 2,153,283.75 and 881,234.64 is: 1,216,042.38
Step by Step Solution
- Step 1: Write the proportion equation
1,560,429.36 : 2,153,283.75 = 881,234.64 : x - Step 2: Convert to fraction form
1,560,429.36/2,153,283.75 = 881,234.64/x - Step 3: Cross multiply
1,560,429.36x = 2,153,283.75 × 881,234.64 - Step 4: Simplify right side
1,560,429.36x = 1,897,548,230,249.10 - Step 5: Solve for x
x = 1,897,548,230,249.10/1,560,429.36 - Step 6: Final answer
x = 1,216,042.38
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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.