Finding the Fourth Proportional to 4,071,620.40, 6,107,430.60 and 3,763,690.80
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Solution
The fourth proportional to 4,071,620.40, 6,107,430.60 and 3,763,690.80 is: 5,645,536.20
Step by Step Solution
- Step 1: Write the proportion equation
4,071,620.40 : 6,107,430.60 = 3,763,690.80 : x - Step 2: Convert to fraction form
4,071,620.40/6,107,430.60 = 3,763,690.80/x - Step 3: Cross multiply
4,071,620.40x = 6,107,430.60 × 3,763,690.80 - Step 4: Simplify right side
4,071,620.40x = 22,986,480,360,858.48 - Step 5: Solve for x
x = 22,986,480,360,858.48/4,071,620.40 - Step 6: Final answer
x = 5,645,536.20
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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.