Finding the Fourth Proportional to 2,079,457.58, 3,119,483.91 and 640,262.75
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Solution
The fourth proportional to 2,079,457.58, 3,119,483.91 and 640,262.75 is: 960,485.73
Step by Step Solution
- Step 1: Write the proportion equation
2,079,457.58 : 3,119,483.91 = 640,262.75 : x - Step 2: Convert to fraction form
2,079,457.58/3,119,483.91 = 640,262.75/x - Step 3: Cross multiply
2,079,457.58x = 3,119,483.91 × 640,262.75 - Step 4: Simplify right side
2,079,457.58x = 1,997,289,333,600.92 - Step 5: Solve for x
x = 1,997,289,333,600.92/2,079,457.58 - Step 6: Final answer
x = 960,485.73
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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.