Finding the Fourth Proportional to 1,768,239.64, 2,440,378.12 and 993,871.54
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Solution
The fourth proportional to 1,768,239.64, 2,440,378.12 and 993,871.54 is: 1,371,659.30
Step by Step Solution
- Step 1: Write the proportion equation
1,768,239.64 : 2,440,378.12 = 993,871.54 : x - Step 2: Convert to fraction form
1,768,239.64/2,440,378.12 = 993,871.54/x - Step 3: Cross multiply
1,768,239.64x = 2,440,378.12 × 993,871.54 - Step 4: Simplify right side
1,768,239.64x = 2,425,422,348,104.81 - Step 5: Solve for x
x = 2,425,422,348,104.81/1,768,239.64 - Step 6: Final answer
x = 1,371,659.30
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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.