Finding the Fourth Proportional to 929,135.10, 1,393,702.65 and 929,135.10
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Solution
The fourth proportional to 929,135.10, 1,393,702.65 and 929,135.10 is: 1,393,702.65
Step by Step Solution
- Step 1: Write the proportion equation
929,135.10 : 1,393,702.65 = 929,135.10 : x - Step 2: Convert to fraction form
929,135.10/1,393,702.65 = 929,135.10/x - Step 3: Cross multiply
929,135.10x = 1,393,702.65 × 929,135.10 - Step 4: Simplify right side
929,135.10x = 1,294,938,051,078.01 - Step 5: Solve for x
x = 1,294,938,051,078.01/929,135.10 - Step 6: Final answer
x = 1,393,702.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.