Finding the Fourth Proportional to 1,490,918.04, 2,057,553.50 and 1,122,736.05
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Solution
The fourth proportional to 1,490,918.04, 2,057,553.50 and 1,122,736.05 is: 1,549,440.96
Step by Step Solution
- Step 1: Write the proportion equation
1,490,918.04 : 2,057,553.50 = 1,122,736.05 : x - Step 2: Convert to fraction form
1,490,918.04/2,057,553.50 = 1,122,736.05/x - Step 3: Cross multiply
1,490,918.04x = 2,057,553.50 × 1,122,736.05 - Step 4: Simplify right side
1,490,918.04x = 2,310,089,483,640.00 - Step 5: Solve for x
x = 2,310,089,483,640.00/1,490,918.04 - Step 6: Final answer
x = 1,549,440.96
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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.