Finding the Fourth Proportional to 1,424,010.17, 2,135,743.10 and 426,738.17
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Solution
The fourth proportional to 1,424,010.17, 2,135,743.10 and 426,738.17 is: 640,025.70
Step by Step Solution
- Step 1: Write the proportion equation
1,424,010.17 : 2,135,743.10 = 426,738.17 : x - Step 2: Convert to fraction form
1,424,010.17/2,135,743.10 = 426,738.17/x - Step 3: Cross multiply
1,424,010.17x = 2,135,743.10 × 426,738.17 - Step 4: Simplify right side
1,424,010.17x = 911,403,106,890.06 - Step 5: Solve for x
x = 911,403,106,890.06/1,424,010.17 - Step 6: Final answer
x = 640,025.70
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1.5x scale
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.