Finding the Fourth Proportional to 5,321,209.68, 7,343,267.38 and 2,873,821.28
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Solution
The fourth proportional to 5,321,209.68, 7,343,267.38 and 2,873,821.28 is: 3,965,872.30
Step by Step Solution
- Step 1: Write the proportion equation
5,321,209.68 : 7,343,267.38 = 2,873,821.28 : x - Step 2: Convert to fraction form
5,321,209.68/7,343,267.38 = 2,873,821.28/x - Step 3: Cross multiply
5,321,209.68x = 7,343,267.38 × 2,873,821.28 - Step 4: Simplify right side
5,321,209.68x = 21,103,238,061,373.84 - Step 5: Solve for x
x = 21,103,238,061,373.84/5,321,209.68 - Step 6: Final answer
x = 3,965,872.30
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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.