Finding the Fourth Proportional to 1,869,029.76, 2,579,262.12 and 1,009,589.94
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Solution
The fourth proportional to 1,869,029.76, 2,579,262.12 and 1,009,589.94 is: 1,393,234.69
Step by Step Solution
- Step 1: Write the proportion equation
1,869,029.76 : 2,579,262.12 = 1,009,589.94 : x - Step 2: Convert to fraction form
1,869,029.76/2,579,262.12 = 1,009,589.94/x - Step 3: Cross multiply
1,869,029.76x = 2,579,262.12 × 1,009,589.94 - Step 4: Simplify right side
1,869,029.76x = 2,603,997,088,975.07 - Step 5: Solve for x
x = 2,603,997,088,975.07/1,869,029.76 - Step 6: Final answer
x = 1,393,234.69
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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.