Finding the Fourth Proportional to 5,196,312.97, 7,170,763.59 and 2,873,165.53
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Solution
The fourth proportional to 5,196,312.97, 7,170,763.59 and 2,873,165.53 is: 3,964,886.43
Step by Step Solution
- Step 1: Write the proportion equation
5,196,312.97 : 7,170,763.59 = 2,873,165.53 : x - Step 2: Convert to fraction form
5,196,312.97/7,170,763.59 = 2,873,165.53/x - Step 3: Cross multiply
5,196,312.97x = 7,170,763.59 × 2,873,165.53 - Step 4: Simplify right side
5,196,312.97x = 20,602,790,770,567.05 - Step 5: Solve for x
x = 20,602,790,770,567.05/5,196,312.97 - Step 6: Final answer
x = 3,964,886.43
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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.