Finding the Fourth Proportional to 6,812,368.20, 10,216,810.26 and 2,018,939.40
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Solution
The fourth proportional to 6,812,368.20, 10,216,810.26 and 2,018,939.40 is: 3,027,892.82
Step by Step Solution
- Step 1: Write the proportion equation
6,812,368.20 : 10,216,810.26 = 2,018,939.40 : x - Step 2: Convert to fraction form
6,812,368.20/10,216,810.26 = 2,018,939.40/x - Step 3: Cross multiply
6,812,368.20x = 10,216,810.26 × 2,018,939.40 - Step 4: Simplify right side
6,812,368.20x = 20,627,120,776,238.24 - Step 5: Solve for x
x = 20,627,120,776,238.24/6,812,368.20 - Step 6: Final answer
x = 3,027,892.82
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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.