Finding the Fourth Proportional to 1,615,452.42, 2,229,224.16 and 890,259.63
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Solution
The fourth proportional to 1,615,452.42, 2,229,224.16 and 890,259.63 is: 1,228,503.08
Step by Step Solution
- Step 1: Write the proportion equation
1,615,452.42 : 2,229,224.16 = 890,259.63 : x - Step 2: Convert to fraction form
1,615,452.42/2,229,224.16 = 890,259.63/x - Step 3: Cross multiply
1,615,452.42x = 2,229,224.16 × 890,259.63 - Step 4: Simplify right side
1,615,452.42x = 1,984,588,275,868.66 - Step 5: Solve for x
x = 1,984,588,275,868.66/1,615,452.42 - Step 6: Final answer
x = 1,228,503.08
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1.5x scale
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.