Finding the Fourth Proportional to 1,460,110.40, 2,189,128.80 and 561,204.80
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Solution
The fourth proportional to 1,460,110.40, 2,189,128.80 and 561,204.80 is: 841,408.70
Step by Step Solution
- Step 1: Write the proportion equation
1,460,110.40 : 2,189,128.80 = 561,204.80 : x - Step 2: Convert to fraction form
1,460,110.40/2,189,128.80 = 561,204.80/x - Step 3: Cross multiply
1,460,110.40x = 2,189,128.80 × 561,204.80 - Step 4: Simplify right side
1,460,110.40x = 1,228,549,590,378.24 - Step 5: Solve for x
x = 1,228,549,590,378.24/1,460,110.40 - Step 6: Final answer
x = 841,408.70
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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.