Finding the Fourth Proportional to 1,623,792.96, 2,240,838.60 and 898,690.68
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Solution
The fourth proportional to 1,623,792.96, 2,240,838.60 and 898,690.68 is: 1,240,195.53
Step by Step Solution
- Step 1: Write the proportion equation
1,623,792.96 : 2,240,838.60 = 898,690.68 : x - Step 2: Convert to fraction form
1,623,792.96/2,240,838.60 = 898,690.68/x - Step 3: Cross multiply
1,623,792.96x = 2,240,838.60 × 898,690.68 - Step 4: Simplify right side
1,623,792.96x = 2,013,820,765,204.25 - Step 5: Solve for x
x = 2,013,820,765,204.25/1,623,792.96 - Step 6: Final answer
x = 1,240,195.53
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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.