Finding the Fourth Proportional to 1,560,297.60, 2,153,239.20 and 881,107.20
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Solution
The fourth proportional to 1,560,297.60, 2,153,239.20 and 881,107.20 is: 1,215,944.04
Step by Step Solution
- Step 1: Write the proportion equation
1,560,297.60 : 2,153,239.20 = 881,107.20 : x - Step 2: Convert to fraction form
1,560,297.60/2,153,239.20 = 881,107.20/x - Step 3: Cross multiply
1,560,297.60x = 2,153,239.20 × 881,107.20 - Step 4: Simplify right side
1,560,297.60x = 1,897,234,562,442.24 - Step 5: Solve for x
x = 1,897,234,562,442.24/1,560,297.60 - Step 6: Final answer
x = 1,215,944.04
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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.