Finding the Fourth Proportional to 5,528,000.63, 7,628,537.21 and 3,080,557.76
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Solution
The fourth proportional to 5,528,000.63, 7,628,537.21 and 3,080,557.76 is: 4,251,111.93
Step by Step Solution
- Step 1: Write the proportion equation
5,528,000.63 : 7,628,537.21 = 3,080,557.76 : x - Step 2: Convert to fraction form
5,528,000.63/7,628,537.21 = 3,080,557.76/x - Step 3: Cross multiply
5,528,000.63x = 7,628,537.21 × 3,080,557.76 - Step 4: Simplify right side
5,528,000.63x = 23,500,149,446,168.77 - Step 5: Solve for x
x = 23,500,149,446,168.77/5,528,000.63 - Step 6: Final answer
x = 4,251,111.93
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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.