Finding the Fourth Proportional to 6,757,415.38, 10,136,038.53 and 1,639,887.67
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Solution
The fourth proportional to 6,757,415.38, 10,136,038.53 and 1,639,887.67 is: 2,459,810.99
Step by Step Solution
- Step 1: Write the proportion equation
6,757,415.38 : 10,136,038.53 = 1,639,887.67 : x - Step 2: Convert to fraction form
6,757,415.38/10,136,038.53 = 1,639,887.67/x - Step 3: Cross multiply
6,757,415.38x = 10,136,038.53 × 1,639,887.67 - Step 4: Simplify right side
6,757,415.38x = 16,621,964,607,991.92 - Step 5: Solve for x
x = 16,621,964,607,991.92/6,757,415.38 - Step 6: Final answer
x = 2,459,810.99
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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.