Finding the Fourth Proportional to 1,757,697.77, 2,636,649.47 and 678,216.14
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Solution
The fourth proportional to 1,757,697.77, 2,636,649.47 and 678,216.14 is: 1,017,363.87
Step by Step Solution
- Step 1: Write the proportion equation
1,757,697.77 : 2,636,649.47 = 678,216.14 : x - Step 2: Convert to fraction form
1,757,697.77/2,636,649.47 = 678,216.14/x - Step 3: Cross multiply
1,757,697.77x = 2,636,649.47 × 678,216.14 - Step 4: Simplify right side
1,757,697.77x = 1,788,218,214,588.74 - Step 5: Solve for x
x = 1,788,218,214,588.74/1,757,697.77 - Step 6: Final answer
x = 1,017,363.87
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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.