Finding the Fourth Proportional to 1,750,486.40, 2,625,729.60 and 628,668.80
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Solution
The fourth proportional to 1,750,486.40, 2,625,729.60 and 628,668.80 is: 943,003.20
Step by Step Solution
- Step 1: Write the proportion equation
1,750,486.40 : 2,625,729.60 = 628,668.80 : x - Step 2: Convert to fraction form
1,750,486.40/2,625,729.60 = 628,668.80/x - Step 3: Cross multiply
1,750,486.40x = 2,625,729.60 × 628,668.80 - Step 4: Simplify right side
1,750,486.40x = 1,650,714,276,756.48 - Step 5: Solve for x
x = 1,650,714,276,756.48/1,750,486.40 - Step 6: Final answer
x = 943,003.20
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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.