Finding the Fourth Proportional to 4,911,757, 6,778,683.12 and 2,874,568.12
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Solution
The fourth proportional to 4,911,757, 6,778,683.12 and 2,874,568.12 is: 3,967,172.32
Step by Step Solution
- Step 1: Write the proportion equation
4,911,757 : 6,778,683.12 = 2,874,568.12 : x - Step 2: Convert to fraction form
4,911,757/6,778,683.12 = 2,874,568.12/x - Step 3: Cross multiply
4,911,757x = 6,778,683.12 × 2,874,568.12 - Step 4: Simplify right side
4,911,757x = 19,485,786,392,334.14 - Step 5: Solve for x
x = 19,485,786,392,334.14/4,911,757 - Step 6: Final answer
x = 3,967,172.32
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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.