Finding the Fourth Proportional to 1,623,351.16, 2,240,290.68 and 898,187.12
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Solution
The fourth proportional to 1,623,351.16, 2,240,290.68 and 898,187.12 is: 1,239,534.79
Step by Step Solution
- Step 1: Write the proportion equation
1,623,351.16 : 2,240,290.68 = 898,187.12 : x - Step 2: Convert to fraction form
1,623,351.16/2,240,290.68 = 898,187.12/x - Step 3: Cross multiply
1,623,351.16x = 2,240,290.68 × 898,187.12 - Step 4: Simplify right side
1,623,351.16x = 2,012,200,233,832.04 - Step 5: Solve for x
x = 2,012,200,233,832.04/1,623,351.16 - Step 6: Final answer
x = 1,239,534.79
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1.5x scale
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.