Finding the Fourth Proportional to 1,651,824.23, 2,478,639.08 and 640,985.94
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Solution
The fourth proportional to 1,651,824.23, 2,478,639.08 and 640,985.94 is: 961,829.22
Step by Step Solution
- Step 1: Write the proportion equation
1,651,824.23 : 2,478,639.08 = 640,985.94 : x - Step 2: Convert to fraction form
1,651,824.23/2,478,639.08 = 640,985.94/x - Step 3: Cross multiply
1,651,824.23x = 2,478,639.08 × 640,985.94 - Step 4: Simplify right side
1,651,824.23x = 1,588,772,802,217 - Step 5: Solve for x
x = 1,588,772,802,217/1,651,824.23 - Step 6: Final answer
x = 961,829.22
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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.