Finding the Fourth Proportional to 1,483,394.97, 2,047,125.30 and 838,911.54
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Solution
The fourth proportional to 1,483,394.97, 2,047,125.30 and 838,911.54 is: 1,157,720.68
Step by Step Solution
- Step 1: Write the proportion equation
1,483,394.97 : 2,047,125.30 = 838,911.54 : x - Step 2: Convert to fraction form
1,483,394.97/2,047,125.30 = 838,911.54/x - Step 3: Cross multiply
1,483,394.97x = 2,047,125.30 × 838,911.54 - Step 4: Simplify right side
1,483,394.97x = 1,717,357,037,995.96 - Step 5: Solve for x
x = 1,717,357,037,995.96/1,483,394.97 - Step 6: Final answer
x = 1,157,720.68
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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.