Finding the Fourth Proportional to 5,317,199.21, 7,337,697.58 and 2,902,751.21
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Solution
The fourth proportional to 5,317,199.21, 7,337,697.58 and 2,902,751.21 is: 4,005,776.29
Step by Step Solution
- Step 1: Write the proportion equation
5,317,199.21 : 7,337,697.58 = 2,902,751.21 : x - Step 2: Convert to fraction form
5,317,199.21/7,337,697.58 = 2,902,751.21/x - Step 3: Cross multiply
5,317,199.21x = 7,337,697.58 × 2,902,751.21 - Step 4: Simplify right side
5,317,199.21x = 21,299,510,528,959.07 - Step 5: Solve for x
x = 21,299,510,528,959.07/5,317,199.21 - Step 6: Final answer
x = 4,005,776.29
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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.