Finding the Fourth Proportional to 1,651,826.73, 2,478,642.84 and 640,988.44
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Solution
The fourth proportional to 1,651,826.73, 2,478,642.84 and 640,988.44 is: 961,832.97
Step by Step Solution
- Step 1: Write the proportion equation
1,651,826.73 : 2,478,642.84 = 640,988.44 : x - Step 2: Convert to fraction form
1,651,826.73/2,478,642.84 = 640,988.44/x - Step 3: Cross multiply
1,651,826.73x = 2,478,642.84 × 640,988.44 - Step 4: Simplify right side
1,651,826.73x = 1,588,781,407,328.77 - Step 5: Solve for x
x = 1,588,781,407,328.77/1,651,826.73 - Step 6: Final answer
x = 961,832.97
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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.