Finding the Fourth Proportional to 1,651,825.23, 2,478,640.58 and 640,986.94
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Solution
The fourth proportional to 1,651,825.23, 2,478,640.58 and 640,986.94 is: 961,830.71
Step by Step Solution
- Step 1: Write the proportion equation
1,651,825.23 : 2,478,640.58 = 640,986.94 : x - Step 2: Convert to fraction form
1,651,825.23/2,478,640.58 = 640,986.94/x - Step 3: Cross multiply
1,651,825.23x = 2,478,640.58 × 640,986.94 - Step 4: Simplify right side
1,651,825.23x = 1,588,776,240,734.03 - Step 5: Solve for x
x = 1,588,776,240,734.03/1,651,825.23 - Step 6: Final answer
x = 961,830.71
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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.