Finding the Fourth Proportional to 7,181,371.88, 10,766,026.62 and 3,134,780.84
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Solution
The fourth proportional to 7,181,371.88, 10,766,026.62 and 3,134,780.84 is: 4,699,538.55
Step by Step Solution
- Step 1: Write the proportion equation
7,181,371.88 : 10,766,026.62 = 3,134,780.84 : x - Step 2: Convert to fraction form
7,181,371.88/10,766,026.62 = 3,134,780.84/x - Step 3: Cross multiply
7,181,371.88x = 10,766,026.62 × 3,134,780.84 - Step 4: Simplify right side
7,181,371.88x = 33,749,133,971,305.96 - Step 5: Solve for x
x = 33,749,133,971,305.96/7,181,371.88 - Step 6: Final answer
x = 4,699,538.55
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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.