Finding the Fourth Proportional to 1,753,917.36, 2,420,387.58 and 990,003.12
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Solution
The fourth proportional to 1,753,917.36, 2,420,387.58 and 990,003.12 is: 1,366,193.93
Step by Step Solution
- Step 1: Write the proportion equation
1,753,917.36 : 2,420,387.58 = 990,003.12 : x - Step 2: Convert to fraction form
1,753,917.36/2,420,387.58 = 990,003.12/x - Step 3: Cross multiply
1,753,917.36x = 2,420,387.58 × 990,003.12 - Step 4: Simplify right side
1,753,917.36x = 2,396,191,255,809.25 - Step 5: Solve for x
x = 2,396,191,255,809.25/1,753,917.36 - Step 6: Final answer
x = 1,366,193.93
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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.