Finding the Fourth Proportional to 1,707,206.40, 2,560,809.60 and 1,570,348.80
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Solution
The fourth proportional to 1,707,206.40, 2,560,809.60 and 1,570,348.80 is: 2,355,523.20
Step by Step Solution
- Step 1: Write the proportion equation
1,707,206.40 : 2,560,809.60 = 1,570,348.80 : x - Step 2: Convert to fraction form
1,707,206.40/2,560,809.60 = 1,570,348.80/x - Step 3: Cross multiply
1,707,206.40x = 2,560,809.60 × 1,570,348.80 - Step 4: Simplify right side
1,707,206.40x = 4,021,364,282,388.48 - Step 5: Solve for x
x = 4,021,364,282,388.48/1,707,206.40 - Step 6: Final answer
x = 2,355,523.20
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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.