Finding the Fourth Proportional to 2,852,028.60, 4,278,742.74 and 830,290.62
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Solution
The fourth proportional to 2,852,028.60, 4,278,742.74 and 830,290.62 is: 1,245,639.67
Step by Step Solution
- Step 1: Write the proportion equation
2,852,028.60 : 4,278,742.74 = 830,290.62 : x - Step 2: Convert to fraction form
2,852,028.60/4,278,742.74 = 830,290.62/x - Step 3: Cross multiply
2,852,028.60x = 4,278,742.74 × 830,290.62 - Step 4: Simplify right side
2,852,028.60x = 3,552,599,962,415.10 - Step 5: Solve for x
x = 3,552,599,962,415.10/2,852,028.60 - Step 6: Final answer
x = 1,245,639.67
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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.