Finding the Fourth Proportional to 4,994,741.68, 6,888,065.43 and 3,315,354.70
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Solution
The fourth proportional to 4,994,741.68, 6,888,065.43 and 3,315,354.70 is: 4,572,084.32
Step by Step Solution
- Step 1: Write the proportion equation
4,994,741.68 : 6,888,065.43 = 3,315,354.70 : x - Step 2: Convert to fraction form
4,994,741.68/6,888,065.43 = 3,315,354.70/x - Step 3: Cross multiply
4,994,741.68x = 6,888,065.43 × 3,315,354.70 - Step 4: Simplify right side
4,994,741.68x = 22,836,380,097,258.02 - Step 5: Solve for x
x = 22,836,380,097,258.02/4,994,741.68 - Step 6: Final answer
x = 4,572,084.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.