Finding the Fourth Proportional to 6,213,428.28, 8,576,041.05 and 3,599,509.95
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Solution
The fourth proportional to 6,213,428.28, 8,576,041.05 and 3,599,509.95 is: 4,968,198.50
Step by Step Solution
- Step 1: Write the proportion equation
6,213,428.28 : 8,576,041.05 = 3,599,509.95 : x - Step 2: Convert to fraction form
6,213,428.28/8,576,041.05 = 3,599,509.95/x - Step 3: Cross multiply
6,213,428.28x = 8,576,041.05 × 3,599,509.95 - Step 4: Simplify right side
6,213,428.28x = 30,869,545,091,083.45 - Step 5: Solve for x
x = 30,869,545,091,083.45/6,213,428.28 - Step 6: Final answer
x = 4,968,198.50
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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.