Finding the Fourth Proportional to 5,239,090.72, 7,858,636.43 and 1,452,573.70
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Solution
The fourth proportional to 5,239,090.72, 7,858,636.43 and 1,452,573.70 is: 2,178,860.65
Step by Step Solution
- Step 1: Write the proportion equation
5,239,090.72 : 7,858,636.43 = 1,452,573.70 : x - Step 2: Convert to fraction form
5,239,090.72/7,858,636.43 = 1,452,573.70/x - Step 3: Cross multiply
5,239,090.72x = 7,858,636.43 × 1,452,573.70 - Step 4: Simplify right side
5,239,090.72x = 11,415,248,596,079.89 - Step 5: Solve for x
x = 11,415,248,596,079.89/5,239,090.72 - Step 6: Final answer
x = 2,178,860.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.