Finding the Fourth Proportional to 1,779,256.26, 2,662,188.36 and 1,247,814.18
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Solution
The fourth proportional to 1,779,256.26, 2,662,188.36 and 1,247,814.18 is: 1,867,025.26
Step by Step Solution
- Step 1: Write the proportion equation
1,779,256.26 : 2,662,188.36 = 1,247,814.18 : x - Step 2: Convert to fraction form
1,779,256.26/2,662,188.36 = 1,247,814.18/x - Step 3: Cross multiply
1,779,256.26x = 2,662,188.36 × 1,247,814.18 - Step 4: Simplify right side
1,779,256.26x = 3,321,916,385,438.94 - Step 5: Solve for x
x = 3,321,916,385,438.94/1,779,256.26 - Step 6: Final answer
x = 1,867,025.26
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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.