Finding the Fourth Proportional to 6,620,644.05, 9,930,997.80 and 2,009,670.09
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Solution
The fourth proportional to 6,620,644.05, 9,930,997.80 and 2,009,670.09 is: 3,014,514.76
Step by Step Solution
- Step 1: Write the proportion equation
6,620,644.05 : 9,930,997.80 = 2,009,670.09 : x - Step 2: Convert to fraction form
6,620,644.05/9,930,997.80 = 2,009,670.09/x - Step 3: Cross multiply
6,620,644.05x = 9,930,997.80 × 2,009,670.09 - Step 4: Simplify right side
6,620,644.05x = 19,958,029,242,515.80 - Step 5: Solve for x
x = 19,958,029,242,515.80/6,620,644.05 - Step 6: Final answer
x = 3,014,514.76
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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.