Finding the Fourth Proportional to 1,348,792.96, 2,021,445.36 and 1,009,168.96
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Solution
The fourth proportional to 1,348,792.96, 2,021,445.36 and 1,009,168.96 is: 1,512,448.52
Step by Step Solution
- Step 1: Write the proportion equation
1,348,792.96 : 2,021,445.36 = 1,009,168.96 : x - Step 2: Convert to fraction form
1,348,792.96/2,021,445.36 = 1,009,168.96/x - Step 3: Cross multiply
1,348,792.96x = 2,021,445.36 × 1,009,168.96 - Step 4: Simplify right side
1,348,792.96x = 2,039,979,911,648.03 - Step 5: Solve for x
x = 2,039,979,911,648.03/1,348,792.96 - Step 6: Final answer
x = 1,512,448.52
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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.