Finding the Fourth Proportional to 1,414,496.16, 1,952,257.68 and 905,181.12
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Solution
The fourth proportional to 1,414,496.16, 1,952,257.68 and 905,181.12 is: 1,249,311.84
Step by Step Solution
- Step 1: Write the proportion equation
1,414,496.16 : 1,952,257.68 = 905,181.12 : x - Step 2: Convert to fraction form
1,414,496.16/1,952,257.68 = 905,181.12/x - Step 3: Cross multiply
1,414,496.16x = 1,952,257.68 × 905,181.12 - Step 4: Simplify right side
1,414,496.16x = 1,767,146,793,311.00 - Step 5: Solve for x
x = 1,767,146,793,311.00/1,414,496.16 - Step 6: Final answer
x = 1,249,311.84
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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.