Finding the Fourth Proportional to 1,576,982.12, 2,176,235.15 and 851,829.92
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Solution
The fourth proportional to 1,576,982.12, 2,176,235.15 and 851,829.92 is: 1,175,525.20
Step by Step Solution
- Step 1: Write the proportion equation
1,576,982.12 : 2,176,235.15 = 851,829.92 : x - Step 2: Convert to fraction form
1,576,982.12/2,176,235.15 = 851,829.92/x - Step 3: Cross multiply
1,576,982.12x = 2,176,235.15 × 851,829.92 - Step 4: Simplify right side
1,576,982.12x = 1,853,782,211,537.79 - Step 5: Solve for x
x = 1,853,782,211,537.79/1,576,982.12 - Step 6: Final answer
x = 1,175,525.20
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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.