Finding the Fourth Proportional to 1,939,349.36, 2,903,033.28 and 1,263,977.84
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Solution
The fourth proportional to 1,939,349.36, 2,903,033.28 and 1,263,977.84 is: 1,892,062.26
Step by Step Solution
- Step 1: Write the proportion equation
1,939,349.36 : 2,903,033.28 = 1,263,977.84 : x - Step 2: Convert to fraction form
1,939,349.36/2,903,033.28 = 1,263,977.84/x - Step 3: Cross multiply
1,939,349.36x = 2,903,033.28 × 1,263,977.84 - Step 4: Simplify right side
1,939,349.36x = 3,669,369,734,702.52 - Step 5: Solve for x
x = 3,669,369,734,702.52/1,939,349.36 - Step 6: Final answer
x = 1,892,062.26
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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.