Finding the Fourth Proportional to 1,351,031.81, 1,864,239.75 and 807,052.12
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Solution
The fourth proportional to 1,351,031.81, 1,864,239.75 and 807,052.12 is: 1,113,621.92
Step by Step Solution
- Step 1: Write the proportion equation
1,351,031.81 : 1,864,239.75 = 807,052.12 : x - Step 2: Convert to fraction form
1,351,031.81/1,864,239.75 = 807,052.12/x - Step 3: Cross multiply
1,351,031.81x = 1,864,239.75 × 807,052.12 - Step 4: Simplify right side
1,351,031.81x = 1,504,538,637,765.17 - Step 5: Solve for x
x = 1,504,538,637,765.17/1,351,031.81 - Step 6: Final answer
x = 1,113,621.92
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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.