Finding the Fourth Proportional to 1,560,239.36, 2,153,172.80 and 881,276.80
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Solution
The fourth proportional to 1,560,239.36, 2,153,172.80 and 881,276.80 is: 1,216,185.98
Step by Step Solution
- Step 1: Write the proportion equation
1,560,239.36 : 2,153,172.80 = 881,276.80 : x - Step 2: Convert to fraction form
1,560,239.36/2,153,172.80 = 881,276.80/x - Step 3: Cross multiply
1,560,239.36x = 2,153,172.80 × 881,276.80 - Step 4: Simplify right side
1,560,239.36x = 1,897,541,235,031.04 - Step 5: Solve for x
x = 1,897,541,235,031.04/1,560,239.36 - Step 6: Final answer
x = 1,216,185.98
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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.