Finding the Fourth Proportional to 1,576,982.67, 2,176,235.75 and 851,830.41
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Solution
The fourth proportional to 1,576,982.67, 2,176,235.75 and 851,830.41 is: 1,175,525.78
Step by Step Solution
- Step 1: Write the proportion equation
1,576,982.67 : 2,176,235.75 = 851,830.41 : x - Step 2: Convert to fraction form
1,576,982.67/2,176,235.75 = 851,830.41/x - Step 3: Cross multiply
1,576,982.67x = 2,176,235.75 × 851,830.41 - Step 4: Simplify right side
1,576,982.67x = 1,853,783,778,168.40 - Step 5: Solve for x
x = 1,853,783,778,168.40/1,576,982.67 - Step 6: Final answer
x = 1,175,525.78
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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.